Home / 22,663.80-31,276.44-12,593.16

Finding the Fourth Proportional to 22,663.80, 31,276.44 and 12,593.16

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Solution

The fourth proportional to 22,663.80, 31,276.44 and 12,593.16 is: 17,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.80 : 31,276.44 = 12,593.16 : x
  2. Step 2: Convert to fraction form
    22,663.80/31,276.44 = 12,593.16/x
  3. Step 3: Cross multiply
    22,663.80x = 31,276.44 × 12,593.16
  4. Step 4: Simplify right side
    22,663.80x = 393,869,213.15
  5. Step 5: Solve for x
    x = 393,869,213.15/22,663.80
  6. Step 6: Final answer
    x = 17,378.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.