Home / 15,143.22-22,731.87-6,385.50

Finding the Fourth Proportional to 15,143.22, 22,731.87 and 6,385.50

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Solution

The fourth proportional to 15,143.22, 22,731.87 and 6,385.50 is: 9,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.22 : 22,731.87 = 6,385.50 : x
  2. Step 2: Convert to fraction form
    15,143.22/22,731.87 = 6,385.50/x
  3. Step 3: Cross multiply
    15,143.22x = 22,731.87 × 6,385.50
  4. Step 4: Simplify right side
    15,143.22x = 145,154,355.89
  5. Step 5: Solve for x
    x = 145,154,355.89/15,143.22
  6. Step 6: Final answer
    x = 9,585.44

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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.