Home / 10,724.92-16,077.60-7,948.24

Finding the Fourth Proportional to 10,724.92, 16,077.60 and 7,948.24

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Solution

The fourth proportional to 10,724.92, 16,077.60 and 7,948.24 is: 11,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.92 : 16,077.60 = 7,948.24 : x
  2. Step 2: Convert to fraction form
    10,724.92/16,077.60 = 7,948.24/x
  3. Step 3: Cross multiply
    10,724.92x = 16,077.60 × 7,948.24
  4. Step 4: Simplify right side
    10,724.92x = 127,788,623.42
  5. Step 5: Solve for x
    x = 127,788,623.42/10,724.92
  6. Step 6: Final answer
    x = 11,915.11

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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.