Home / 15,862.60-21,901.08-14,178.61

Finding the Fourth Proportional to 15,862.60, 21,901.08 and 14,178.61

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Solution

The fourth proportional to 15,862.60, 21,901.08 and 14,178.61 is: 19,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.60 : 21,901.08 = 14,178.61 : x
  2. Step 2: Convert to fraction form
    15,862.60/21,901.08 = 14,178.61/x
  3. Step 3: Cross multiply
    15,862.60x = 21,901.08 × 14,178.61
  4. Step 4: Simplify right side
    15,862.60x = 310,526,871.90
  5. Step 5: Solve for x
    x = 310,526,871.90/15,862.60
  6. Step 6: Final answer
    x = 19,576.04

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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.