Home / 25,686.30-38,503.02-12,339.26

Finding the Fourth Proportional to 25,686.30, 38,503.02 and 12,339.26

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Solution

The fourth proportional to 25,686.30, 38,503.02 and 12,339.26 is: 18,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.30 : 38,503.02 = 12,339.26 : x
  2. Step 2: Convert to fraction form
    25,686.30/38,503.02 = 12,339.26/x
  3. Step 3: Cross multiply
    25,686.30x = 38,503.02 × 12,339.26
  4. Step 4: Simplify right side
    25,686.30x = 475,098,772.71
  5. Step 5: Solve for x
    x = 475,098,772.71/25,686.30
  6. Step 6: Final answer
    x = 18,496.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.