Home / 13,252.47-18,283.17-8,539.50

Finding the Fourth Proportional to 13,252.47, 18,283.17 and 8,539.50

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Solution

The fourth proportional to 13,252.47, 18,283.17 and 8,539.50 is: 11,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.47 : 18,283.17 = 8,539.50 : x
  2. Step 2: Convert to fraction form
    13,252.47/18,283.17 = 8,539.50/x
  3. Step 3: Cross multiply
    13,252.47x = 18,283.17 × 8,539.50
  4. Step 4: Simplify right side
    13,252.47x = 156,129,130.22
  5. Step 5: Solve for x
    x = 156,129,130.22/13,252.47
  6. Step 6: Final answer
    x = 11,781.13

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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.