Home / 13,008.38-17,959.29-8,539.95

Finding the Fourth Proportional to 13,008.38, 17,959.29 and 8,539.95

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Solution

The fourth proportional to 13,008.38, 17,959.29 and 8,539.95 is: 11,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.38 : 17,959.29 = 8,539.95 : x
  2. Step 2: Convert to fraction form
    13,008.38/17,959.29 = 8,539.95/x
  3. Step 3: Cross multiply
    13,008.38x = 17,959.29 × 8,539.95
  4. Step 4: Simplify right side
    13,008.38x = 153,371,438.64
  5. Step 5: Solve for x
    x = 153,371,438.64/13,008.38
  6. Step 6: Final answer
    x = 11,790.20

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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.