Home / 22,613.32-31,207.44-14,120.47

Finding the Fourth Proportional to 22,613.32, 31,207.44 and 14,120.47

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Solution

The fourth proportional to 22,613.32, 31,207.44 and 14,120.47 is: 19,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.32 : 31,207.44 = 14,120.47 : x
  2. Step 2: Convert to fraction form
    22,613.32/31,207.44 = 14,120.47/x
  3. Step 3: Cross multiply
    22,613.32x = 31,207.44 × 14,120.47
  4. Step 4: Simplify right side
    22,613.32x = 440,663,720.30
  5. Step 5: Solve for x
    x = 440,663,720.30/22,613.32
  6. Step 6: Final answer
    x = 19,486.91

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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.