Home / 15,010.86-22,509.87-5,151.13

Finding the Fourth Proportional to 15,010.86, 22,509.87 and 5,151.13

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Solution

The fourth proportional to 15,010.86, 22,509.87 and 5,151.13 is: 7,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.86 : 22,509.87 = 5,151.13 : x
  2. Step 2: Convert to fraction form
    15,010.86/22,509.87 = 5,151.13/x
  3. Step 3: Cross multiply
    15,010.86x = 22,509.87 × 5,151.13
  4. Step 4: Simplify right side
    15,010.86x = 115,951,266.65
  5. Step 5: Solve for x
    x = 115,951,266.65/15,010.86
  6. Step 6: Final answer
    x = 7,724.49

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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.