Home / 8,445.36-12,670.58-5,984.92

Finding the Fourth Proportional to 8,445.36, 12,670.58 and 5,984.92

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Solution

The fourth proportional to 8,445.36, 12,670.58 and 5,984.92 is: 8,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.36 : 12,670.58 = 5,984.92 : x
  2. Step 2: Convert to fraction form
    8,445.36/12,670.58 = 5,984.92/x
  3. Step 3: Cross multiply
    8,445.36x = 12,670.58 × 5,984.92
  4. Step 4: Simplify right side
    8,445.36x = 75,832,407.65
  5. Step 5: Solve for x
    x = 75,832,407.65/8,445.36
  6. Step 6: Final answer
    x = 8,979.18

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Similar ratio
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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.