Home / 12,862.84-17,711.29-11,260.52

Finding the Fourth Proportional to 12,862.84, 17,711.29 and 11,260.52

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Solution

The fourth proportional to 12,862.84, 17,711.29 and 11,260.52 is: 15,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.84 : 17,711.29 = 11,260.52 : x
  2. Step 2: Convert to fraction form
    12,862.84/17,711.29 = 11,260.52/x
  3. Step 3: Cross multiply
    12,862.84x = 17,711.29 × 11,260.52
  4. Step 4: Simplify right side
    12,862.84x = 199,438,230.47
  5. Step 5: Solve for x
    x = 199,438,230.47/12,862.84
  6. Step 6: Final answer
    x = 15,505.00

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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.