Home / 15,338.32-22,990.94-7,424.12

Finding the Fourth Proportional to 15,338.32, 22,990.94 and 7,424.12

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Solution

The fourth proportional to 15,338.32, 22,990.94 and 7,424.12 is: 11,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.32 : 22,990.94 = 7,424.12 : x
  2. Step 2: Convert to fraction form
    15,338.32/22,990.94 = 7,424.12/x
  3. Step 3: Cross multiply
    15,338.32x = 22,990.94 × 7,424.12
  4. Step 4: Simplify right side
    15,338.32x = 170,687,497.47
  5. Step 5: Solve for x
    x = 170,687,497.47/15,338.32
  6. Step 6: Final answer
    x = 11,128.17

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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.