Home / 10,422.48-15,630.84-4,577.64

Finding the Fourth Proportional to 10,422.48, 15,630.84 and 4,577.64

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Solution

The fourth proportional to 10,422.48, 15,630.84 and 4,577.64 is: 6,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.48 : 15,630.84 = 4,577.64 : x
  2. Step 2: Convert to fraction form
    10,422.48/15,630.84 = 4,577.64/x
  3. Step 3: Cross multiply
    10,422.48x = 15,630.84 × 4,577.64
  4. Step 4: Simplify right side
    10,422.48x = 71,552,358.42
  5. Step 5: Solve for x
    x = 71,552,358.42/10,422.48
  6. Step 6: Final answer
    x = 6,865.20

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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.