Home / 21,225.34-29,293.52-12,732.14

Finding the Fourth Proportional to 21,225.34, 29,293.52 and 12,732.14

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Solution

The fourth proportional to 21,225.34, 29,293.52 and 12,732.14 is: 17,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.34 : 29,293.52 = 12,732.14 : x
  2. Step 2: Convert to fraction form
    21,225.34/29,293.52 = 12,732.14/x
  3. Step 3: Cross multiply
    21,225.34x = 29,293.52 × 12,732.14
  4. Step 4: Simplify right side
    21,225.34x = 372,969,042.53
  5. Step 5: Solve for x
    x = 372,969,042.53/21,225.34
  6. Step 6: Final answer
    x = 17,571.87

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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.