Home / 15,162.83-20,924.04-8,449.19

Finding the Fourth Proportional to 15,162.83, 20,924.04 and 8,449.19

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Solution

The fourth proportional to 15,162.83, 20,924.04 and 8,449.19 is: 11,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.83 : 20,924.04 = 8,449.19 : x
  2. Step 2: Convert to fraction form
    15,162.83/20,924.04 = 8,449.19/x
  3. Step 3: Cross multiply
    15,162.83x = 20,924.04 × 8,449.19
  4. Step 4: Simplify right side
    15,162.83x = 176,791,189.53
  5. Step 5: Solve for x
    x = 176,791,189.53/15,162.83
  6. Step 6: Final answer
    x = 11,659.51

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Half scale
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Double scale
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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.