Home / 9,487.28-13,096.02-7,136.20

Finding the Fourth Proportional to 9,487.28, 13,096.02 and 7,136.20

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Solution

The fourth proportional to 9,487.28, 13,096.02 and 7,136.20 is: 9,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.28 : 13,096.02 = 7,136.20 : x
  2. Step 2: Convert to fraction form
    9,487.28/13,096.02 = 7,136.20/x
  3. Step 3: Cross multiply
    9,487.28x = 13,096.02 × 7,136.20
  4. Step 4: Simplify right side
    9,487.28x = 93,455,817.92
  5. Step 5: Solve for x
    x = 93,455,817.92/9,487.28
  6. Step 6: Final answer
    x = 9,850.64

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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.