Home / 10,229.64-15,341.40-3,654.36

Finding the Fourth Proportional to 10,229.64, 15,341.40 and 3,654.36

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Solution

The fourth proportional to 10,229.64, 15,341.40 and 3,654.36 is: 5,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.64 : 15,341.40 = 3,654.36 : x
  2. Step 2: Convert to fraction form
    10,229.64/15,341.40 = 3,654.36/x
  3. Step 3: Cross multiply
    10,229.64x = 15,341.40 × 3,654.36
  4. Step 4: Simplify right side
    10,229.64x = 56,062,998.50
  5. Step 5: Solve for x
    x = 56,062,998.50/10,229.64
  6. Step 6: Final answer
    x = 5,480.45

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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.