Home / 25,646.92-38,454.86-12,486.12

Finding the Fourth Proportional to 25,646.92, 38,454.86 and 12,486.12

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Solution

The fourth proportional to 25,646.92, 38,454.86 and 12,486.12 is: 18,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.92 : 38,454.86 = 12,486.12 : x
  2. Step 2: Convert to fraction form
    25,646.92/38,454.86 = 12,486.12/x
  3. Step 3: Cross multiply
    25,646.92x = 38,454.86 × 12,486.12
  4. Step 4: Simplify right side
    25,646.92x = 480,151,996.54
  5. Step 5: Solve for x
    x = 480,151,996.54/25,646.92
  6. Step 6: Final answer
    x = 18,721.62

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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.