Home / 14,229.72-21,345.24-10,088.28

Finding the Fourth Proportional to 14,229.72, 21,345.24 and 10,088.28

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Solution

The fourth proportional to 14,229.72, 21,345.24 and 10,088.28 is: 15,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.72 : 21,345.24 = 10,088.28 : x
  2. Step 2: Convert to fraction form
    14,229.72/21,345.24 = 10,088.28/x
  3. Step 3: Cross multiply
    14,229.72x = 21,345.24 × 10,088.28
  4. Step 4: Simplify right side
    14,229.72x = 215,336,757.79
  5. Step 5: Solve for x
    x = 215,336,757.79/14,229.72
  6. Step 6: Final answer
    x = 15,132.89

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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.