Home / 15,142.50-22,713.85-5,281.74

Finding the Fourth Proportional to 15,142.50, 22,713.85 and 5,281.74

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Solution

The fourth proportional to 15,142.50, 22,713.85 and 5,281.74 is: 7,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.50 : 22,713.85 = 5,281.74 : x
  2. Step 2: Convert to fraction form
    15,142.50/22,713.85 = 5,281.74/x
  3. Step 3: Cross multiply
    15,142.50x = 22,713.85 × 5,281.74
  4. Step 4: Simplify right side
    15,142.50x = 119,968,650.10
  5. Step 5: Solve for x
    x = 119,968,650.10/15,142.50
  6. Step 6: Final answer
    x = 7,922.64

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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.