Home / 13,177.60-19,753.68-4,407.64

Finding the Fourth Proportional to 13,177.60, 19,753.68 and 4,407.64

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Solution

The fourth proportional to 13,177.60, 19,753.68 and 4,407.64 is: 6,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.60 : 19,753.68 = 4,407.64 : x
  2. Step 2: Convert to fraction form
    13,177.60/19,753.68 = 4,407.64/x
  3. Step 3: Cross multiply
    13,177.60x = 19,753.68 × 4,407.64
  4. Step 4: Simplify right side
    13,177.60x = 87,067,110.12
  5. Step 5: Solve for x
    x = 87,067,110.12/13,177.60
  6. Step 6: Final answer
    x = 6,607.21

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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.