Home / 14,242.28-21,350.40-6,340.64

Finding the Fourth Proportional to 14,242.28, 21,350.40 and 6,340.64

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Solution

The fourth proportional to 14,242.28, 21,350.40 and 6,340.64 is: 9,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.28 : 21,350.40 = 6,340.64 : x
  2. Step 2: Convert to fraction form
    14,242.28/21,350.40 = 6,340.64/x
  3. Step 3: Cross multiply
    14,242.28x = 21,350.40 × 6,340.64
  4. Step 4: Simplify right side
    14,242.28x = 135,375,200.26
  5. Step 5: Solve for x
    x = 135,375,200.26/14,242.28
  6. Step 6: Final answer
    x = 9,505.16

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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.