Home / 22,345.16-33,531.87-12,490.91

Finding the Fourth Proportional to 22,345.16, 33,531.87 and 12,490.91

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Solution

The fourth proportional to 22,345.16, 33,531.87 and 12,490.91 is: 18,744.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.16 : 33,531.87 = 12,490.91 : x
  2. Step 2: Convert to fraction form
    22,345.16/33,531.87 = 12,490.91/x
  3. Step 3: Cross multiply
    22,345.16x = 33,531.87 × 12,490.91
  4. Step 4: Simplify right side
    22,345.16x = 418,843,570.30
  5. Step 5: Solve for x
    x = 418,843,570.30/22,345.16
  6. Step 6: Final answer
    x = 18,744.26

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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.