Home / 14,882.26-20,531.01-9,215.50

Finding the Fourth Proportional to 14,882.26, 20,531.01 and 9,215.50

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Solution

The fourth proportional to 14,882.26, 20,531.01 and 9,215.50 is: 12,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,882.26 : 20,531.01 = 9,215.50 : x
  2. Step 2: Convert to fraction form
    14,882.26/20,531.01 = 9,215.50/x
  3. Step 3: Cross multiply
    14,882.26x = 20,531.01 × 9,215.50
  4. Step 4: Simplify right side
    14,882.26x = 189,203,522.66
  5. Step 5: Solve for x
    x = 189,203,522.66/14,882.26
  6. Step 6: Final answer
    x = 12,713.36

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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.