Home / 9,002.97-12,417.39-6,612.21

Finding the Fourth Proportional to 9,002.97, 12,417.39 and 6,612.21

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Solution

The fourth proportional to 9,002.97, 12,417.39 and 6,612.21 is: 9,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.97 : 12,417.39 = 6,612.21 : x
  2. Step 2: Convert to fraction form
    9,002.97/12,417.39 = 6,612.21/x
  3. Step 3: Cross multiply
    9,002.97x = 12,417.39 × 6,612.21
  4. Step 4: Simplify right side
    9,002.97x = 82,106,390.33
  5. Step 5: Solve for x
    x = 82,106,390.33/9,002.97
  6. Step 6: Final answer
    x = 9,119.92

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Double scale
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Similar ratio
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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.