Home / 10,411.60-15,617.40-3,486.10

Finding the Fourth Proportional to 10,411.60, 15,617.40 and 3,486.10

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Solution

The fourth proportional to 10,411.60, 15,617.40 and 3,486.10 is: 5,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.60 : 15,617.40 = 3,486.10 : x
  2. Step 2: Convert to fraction form
    10,411.60/15,617.40 = 3,486.10/x
  3. Step 3: Cross multiply
    10,411.60x = 15,617.40 × 3,486.10
  4. Step 4: Simplify right side
    10,411.60x = 54,443,818.14
  5. Step 5: Solve for x
    x = 54,443,818.14/10,411.60
  6. Step 6: Final answer
    x = 5,229.15

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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.