Home / 25,147.16-37,663.32-12,008.78

Finding the Fourth Proportional to 25,147.16, 37,663.32 and 12,008.78

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Solution

The fourth proportional to 25,147.16, 37,663.32 and 12,008.78 is: 17,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.16 : 37,663.32 = 12,008.78 : x
  2. Step 2: Convert to fraction form
    25,147.16/37,663.32 = 12,008.78/x
  3. Step 3: Cross multiply
    25,147.16x = 37,663.32 × 12,008.78
  4. Step 4: Simplify right side
    25,147.16x = 452,290,523.95
  5. Step 5: Solve for x
    x = 452,290,523.95/25,147.16
  6. Step 6: Final answer
    x = 17,985.75

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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.