Home / 11,084.19-16,686.15-10,103.28

Finding the Fourth Proportional to 11,084.19, 16,686.15 and 10,103.28

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Solution

The fourth proportional to 11,084.19, 16,686.15 and 10,103.28 is: 15,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.19 : 16,686.15 = 10,103.28 : x
  2. Step 2: Convert to fraction form
    11,084.19/16,686.15 = 10,103.28/x
  3. Step 3: Cross multiply
    11,084.19x = 16,686.15 × 10,103.28
  4. Step 4: Simplify right side
    11,084.19x = 168,584,711.62
  5. Step 5: Solve for x
    x = 168,584,711.62/11,084.19
  6. Step 6: Final answer
    x = 15,209.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.