Home / 12,400.32-18,577.04-9,613.35

Finding the Fourth Proportional to 12,400.32, 18,577.04 and 9,613.35

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Solution

The fourth proportional to 12,400.32, 18,577.04 and 9,613.35 is: 14,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.32 : 18,577.04 = 9,613.35 : x
  2. Step 2: Convert to fraction form
    12,400.32/18,577.04 = 9,613.35/x
  3. Step 3: Cross multiply
    12,400.32x = 18,577.04 × 9,613.35
  4. Step 4: Simplify right side
    12,400.32x = 178,587,539.42
  5. Step 5: Solve for x
    x = 178,587,539.42/12,400.32
  6. Step 6: Final answer
    x = 14,401.85

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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.