Home / 14,929.71-22,399.44-7,139.13

Finding the Fourth Proportional to 14,929.71, 22,399.44 and 7,139.13

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Solution

The fourth proportional to 14,929.71, 22,399.44 and 7,139.13 is: 10,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.71 : 22,399.44 = 7,139.13 : x
  2. Step 2: Convert to fraction form
    14,929.71/22,399.44 = 7,139.13/x
  3. Step 3: Cross multiply
    14,929.71x = 22,399.44 × 7,139.13
  4. Step 4: Simplify right side
    14,929.71x = 159,912,514.09
  5. Step 5: Solve for x
    x = 159,912,514.09/14,929.71
  6. Step 6: Final answer
    x = 10,711.03

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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.