Home / 12,781.60-19,162.48-5,854.24

Finding the Fourth Proportional to 12,781.60, 19,162.48 and 5,854.24

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Solution

The fourth proportional to 12,781.60, 19,162.48 and 5,854.24 is: 8,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781.60 : 19,162.48 = 5,854.24 : x
  2. Step 2: Convert to fraction form
    12,781.60/19,162.48 = 5,854.24/x
  3. Step 3: Cross multiply
    12,781.60x = 19,162.48 × 5,854.24
  4. Step 4: Simplify right side
    12,781.60x = 112,181,756.92
  5. Step 5: Solve for x
    x = 112,181,756.92/12,781.60
  6. Step 6: Final answer
    x = 8,776.82

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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.