Home / 10,323.20-15,486.72-3,397.12

Finding the Fourth Proportional to 10,323.20, 15,486.72 and 3,397.12

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Solution

The fourth proportional to 10,323.20, 15,486.72 and 3,397.12 is: 5,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.20 : 15,486.72 = 3,397.12 : x
  2. Step 2: Convert to fraction form
    10,323.20/15,486.72 = 3,397.12/x
  3. Step 3: Cross multiply
    10,323.20x = 15,486.72 × 3,397.12
  4. Step 4: Simplify right side
    10,323.20x = 52,610,246.25
  5. Step 5: Solve for x
    x = 52,610,246.25/10,323.20
  6. Step 6: Final answer
    x = 5,096.31

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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.