Home / 10,913.10-15,062.04-6,436.59

Finding the Fourth Proportional to 10,913.10, 15,062.04 and 6,436.59

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Solution

The fourth proportional to 10,913.10, 15,062.04 and 6,436.59 is: 8,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.10 : 15,062.04 = 6,436.59 : x
  2. Step 2: Convert to fraction form
    10,913.10/15,062.04 = 6,436.59/x
  3. Step 3: Cross multiply
    10,913.10x = 15,062.04 × 6,436.59
  4. Step 4: Simplify right side
    10,913.10x = 96,948,176.04
  5. Step 5: Solve for x
    x = 96,948,176.04/10,913.10
  6. Step 6: Final answer
    x = 8,883.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.