Home / 14,233.20-21,349.80-10,316.40

Finding the Fourth Proportional to 14,233.20, 21,349.80 and 10,316.40

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Solution

The fourth proportional to 14,233.20, 21,349.80 and 10,316.40 is: 15,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.20 : 21,349.80 = 10,316.40 : x
  2. Step 2: Convert to fraction form
    14,233.20/21,349.80 = 10,316.40/x
  3. Step 3: Cross multiply
    14,233.20x = 21,349.80 × 10,316.40
  4. Step 4: Simplify right side
    14,233.20x = 220,253,076.72
  5. Step 5: Solve for x
    x = 220,253,076.72/14,233.20
  6. Step 6: Final answer
    x = 15,474.60

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Similar ratio
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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.