Home / 15,620.78-23,393.61-8,937.02

Finding the Fourth Proportional to 15,620.78, 23,393.61 and 8,937.02

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Solution

The fourth proportional to 15,620.78, 23,393.61 and 8,937.02 is: 13,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.78 : 23,393.61 = 8,937.02 : x
  2. Step 2: Convert to fraction form
    15,620.78/23,393.61 = 8,937.02/x
  3. Step 3: Cross multiply
    15,620.78x = 23,393.61 × 8,937.02
  4. Step 4: Simplify right side
    15,620.78x = 209,069,043.47
  5. Step 5: Solve for x
    x = 209,069,043.47/15,620.78
  6. Step 6: Final answer
    x = 13,384.04

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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.