Home / 10,331.60-15,497.40-9,424.40

Finding the Fourth Proportional to 10,331.60, 15,497.40 and 9,424.40

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Solution

The fourth proportional to 10,331.60, 15,497.40 and 9,424.40 is: 14,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.60 : 15,497.40 = 9,424.40 : x
  2. Step 2: Convert to fraction form
    10,331.60/15,497.40 = 9,424.40/x
  3. Step 3: Cross multiply
    10,331.60x = 15,497.40 × 9,424.40
  4. Step 4: Simplify right side
    10,331.60x = 146,053,696.56
  5. Step 5: Solve for x
    x = 146,053,696.56/10,331.60
  6. Step 6: Final answer
    x = 14,136.60

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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.