Home / 9,136.62-12,605.15-6,752.34

Finding the Fourth Proportional to 9,136.62, 12,605.15 and 6,752.34

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Solution

The fourth proportional to 9,136.62, 12,605.15 and 6,752.34 is: 9,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.62 : 12,605.15 = 6,752.34 : x
  2. Step 2: Convert to fraction form
    9,136.62/12,605.15 = 6,752.34/x
  3. Step 3: Cross multiply
    9,136.62x = 12,605.15 × 6,752.34
  4. Step 4: Simplify right side
    9,136.62x = 85,114,224.79
  5. Step 5: Solve for x
    x = 85,114,224.79/9,136.62
  6. Step 6: Final answer
    x = 9,315.72

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Half scale
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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.