Home / 10,439.19-15,654.90-4,197.10

Finding the Fourth Proportional to 10,439.19, 15,654.90 and 4,197.10

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Solution

The fourth proportional to 10,439.19, 15,654.90 and 4,197.10 is: 6,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.19 : 15,654.90 = 4,197.10 : x
  2. Step 2: Convert to fraction form
    10,439.19/15,654.90 = 4,197.10/x
  3. Step 3: Cross multiply
    10,439.19x = 15,654.90 × 4,197.10
  4. Step 4: Simplify right side
    10,439.19x = 65,705,180.79
  5. Step 5: Solve for x
    x = 65,705,180.79/10,439.19
  6. Step 6: Final answer
    x = 6,294.09

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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.