Home / 12,380.64-18,543.28-9,598.92

Finding the Fourth Proportional to 12,380.64, 18,543.28 and 9,598.92

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Solution

The fourth proportional to 12,380.64, 18,543.28 and 9,598.92 is: 14,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380.64 : 18,543.28 = 9,598.92 : x
  2. Step 2: Convert to fraction form
    12,380.64/18,543.28 = 9,598.92/x
  3. Step 3: Cross multiply
    12,380.64x = 18,543.28 × 9,598.92
  4. Step 4: Simplify right side
    12,380.64x = 177,995,461.26
  5. Step 5: Solve for x
    x = 177,995,461.26/12,380.64
  6. Step 6: Final answer
    x = 14,376.92

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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.