Home / 15,353.28-23,019.84-5,487.48

Finding the Fourth Proportional to 15,353.28, 23,019.84 and 5,487.48

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Solution

The fourth proportional to 15,353.28, 23,019.84 and 5,487.48 is: 8,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.28 : 23,019.84 = 5,487.48 : x
  2. Step 2: Convert to fraction form
    15,353.28/23,019.84 = 5,487.48/x
  3. Step 3: Cross multiply
    15,353.28x = 23,019.84 × 5,487.48
  4. Step 4: Simplify right side
    15,353.28x = 126,320,911.60
  5. Step 5: Solve for x
    x = 126,320,911.60/15,353.28
  6. Step 6: Final answer
    x = 8,227.62

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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.