Home / 14,248.40-21,334.20-10,331.60

Finding the Fourth Proportional to 14,248.40, 21,334.20 and 10,331.60

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Solution

The fourth proportional to 14,248.40, 21,334.20 and 10,331.60 is: 15,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.40 : 21,334.20 = 10,331.60 : x
  2. Step 2: Convert to fraction form
    14,248.40/21,334.20 = 10,331.60/x
  3. Step 3: Cross multiply
    14,248.40x = 21,334.20 × 10,331.60
  4. Step 4: Simplify right side
    14,248.40x = 220,416,420.72
  5. Step 5: Solve for x
    x = 220,416,420.72/14,248.40
  6. Step 6: Final answer
    x = 15,469.56

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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.