Home / 10,136.40-15,204.60-8,532.60

Finding the Fourth Proportional to 10,136.40, 15,204.60 and 8,532.60

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Solution

The fourth proportional to 10,136.40, 15,204.60 and 8,532.60 is: 12,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.40 : 15,204.60 = 8,532.60 : x
  2. Step 2: Convert to fraction form
    10,136.40/15,204.60 = 8,532.60/x
  3. Step 3: Cross multiply
    10,136.40x = 15,204.60 × 8,532.60
  4. Step 4: Simplify right side
    10,136.40x = 129,734,769.96
  5. Step 5: Solve for x
    x = 129,734,769.96/10,136.40
  6. Step 6: Final answer
    x = 12,798.90

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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.