Home / 15,612.87-23,419.35-5,747.88

Finding the Fourth Proportional to 15,612.87, 23,419.35 and 5,747.88

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Solution

The fourth proportional to 15,612.87, 23,419.35 and 5,747.88 is: 8,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.87 : 23,419.35 = 5,747.88 : x
  2. Step 2: Convert to fraction form
    15,612.87/23,419.35 = 5,747.88/x
  3. Step 3: Cross multiply
    15,612.87x = 23,419.35 × 5,747.88
  4. Step 4: Simplify right side
    15,612.87x = 134,611,613.48
  5. Step 5: Solve for x
    x = 134,611,613.48/15,612.87
  6. Step 6: Final answer
    x = 8,621.84

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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.