Home / 22,680.65-31,291.98-12,607.14

Finding the Fourth Proportional to 22,680.65, 31,291.98 and 12,607.14

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Solution

The fourth proportional to 22,680.65, 31,291.98 and 12,607.14 is: 17,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.65 : 31,291.98 = 12,607.14 : x
  2. Step 2: Convert to fraction form
    22,680.65/31,291.98 = 12,607.14/x
  3. Step 3: Cross multiply
    22,680.65x = 31,291.98 × 12,607.14
  4. Step 4: Simplify right side
    22,680.65x = 394,502,372.74
  5. Step 5: Solve for x
    x = 394,502,372.74/22,680.65
  6. Step 6: Final answer
    x = 17,393.79

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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.