Home / 9,429.12-14,143.68-6,498.60

Finding the Fourth Proportional to 9,429.12, 14,143.68 and 6,498.60

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Solution

The fourth proportional to 9,429.12, 14,143.68 and 6,498.60 is: 9,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.12 : 14,143.68 = 6,498.60 : x
  2. Step 2: Convert to fraction form
    9,429.12/14,143.68 = 6,498.60/x
  3. Step 3: Cross multiply
    9,429.12x = 14,143.68 × 6,498.60
  4. Step 4: Simplify right side
    9,429.12x = 91,914,118.85
  5. Step 5: Solve for x
    x = 91,914,118.85/9,429.12
  6. Step 6: Final answer
    x = 9,747.90

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.