Home / 10,179.60-14,019.12-8,752.92

Finding the Fourth Proportional to 10,179.60, 14,019.12 and 8,752.92

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Solution

The fourth proportional to 10,179.60, 14,019.12 and 8,752.92 is: 12,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.60 : 14,019.12 = 8,752.92 : x
  2. Step 2: Convert to fraction form
    10,179.60/14,019.12 = 8,752.92/x
  3. Step 3: Cross multiply
    10,179.60x = 14,019.12 × 8,752.92
  4. Step 4: Simplify right side
    10,179.60x = 122,708,235.83
  5. Step 5: Solve for x
    x = 122,708,235.83/10,179.60
  6. Step 6: Final answer
    x = 12,054.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.