Home / 15,863.40-21,884.13-11,150.46

Finding the Fourth Proportional to 15,863.40, 21,884.13 and 11,150.46

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Solution

The fourth proportional to 15,863.40, 21,884.13 and 11,150.46 is: 15,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.40 : 21,884.13 = 11,150.46 : x
  2. Step 2: Convert to fraction form
    15,863.40/21,884.13 = 11,150.46/x
  3. Step 3: Cross multiply
    15,863.40x = 21,884.13 × 11,150.46
  4. Step 4: Simplify right side
    15,863.40x = 244,018,116.20
  5. Step 5: Solve for x
    x = 244,018,116.20/15,863.40
  6. Step 6: Final answer
    x = 15,382.46

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1.5x scale

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.