Home / 10,287.38-14,196.59-5,571.66

Finding the Fourth Proportional to 10,287.38, 14,196.59 and 5,571.66

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Solution

The fourth proportional to 10,287.38, 14,196.59 and 5,571.66 is: 7,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.38 : 14,196.59 = 5,571.66 : x
  2. Step 2: Convert to fraction form
    10,287.38/14,196.59 = 5,571.66/x
  3. Step 3: Cross multiply
    10,287.38x = 14,196.59 × 5,571.66
  4. Step 4: Simplify right side
    10,287.38x = 79,098,572.64
  5. Step 5: Solve for x
    x = 79,098,572.64/10,287.38
  6. Step 6: Final answer
    x = 7,688.89

Related Problems

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Half scale
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Double scale
Find fourth proportional to 10,288.38, 14,197.97 and 5,572.66
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.