Home / 10,971.42-15,140.54-5,935.62

Finding the Fourth Proportional to 10,971.42, 15,140.54 and 5,935.62

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Solution

The fourth proportional to 10,971.42, 15,140.54 and 5,935.62 is: 8,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.42 : 15,140.54 = 5,935.62 : x
  2. Step 2: Convert to fraction form
    10,971.42/15,140.54 = 5,935.62/x
  3. Step 3: Cross multiply
    10,971.42x = 15,140.54 × 5,935.62
  4. Step 4: Simplify right side
    10,971.42x = 89,868,524.13
  5. Step 5: Solve for x
    x = 89,868,524.13/10,971.42
  6. Step 6: Final answer
    x = 8,191.15

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Double scale
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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.