Home / 15,651.40-23,460.78-8,264.20

Finding the Fourth Proportional to 15,651.40, 23,460.78 and 8,264.20

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Solution

The fourth proportional to 15,651.40, 23,460.78 and 8,264.20 is: 12,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.40 : 23,460.78 = 8,264.20 : x
  2. Step 2: Convert to fraction form
    15,651.40/23,460.78 = 8,264.20/x
  3. Step 3: Cross multiply
    15,651.40x = 23,460.78 × 8,264.20
  4. Step 4: Simplify right side
    15,651.40x = 193,884,578.08
  5. Step 5: Solve for x
    x = 193,884,578.08/15,651.40
  6. Step 6: Final answer
    x = 12,387.68

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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.