Home / 14,208.38-21,322.30-7,287.74

Finding the Fourth Proportional to 14,208.38, 21,322.30 and 7,287.74

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Solution

The fourth proportional to 14,208.38, 21,322.30 and 7,287.74 is: 10,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.38 : 21,322.30 = 7,287.74 : x
  2. Step 2: Convert to fraction form
    14,208.38/21,322.30 = 7,287.74/x
  3. Step 3: Cross multiply
    14,208.38x = 21,322.30 × 7,287.74
  4. Step 4: Simplify right side
    14,208.38x = 155,391,378.60
  5. Step 5: Solve for x
    x = 155,391,378.60/14,208.38
  6. Step 6: Final answer
    x = 10,936.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.