Home / 15,901.19-21,944.30-8,827.61

Finding the Fourth Proportional to 15,901.19, 21,944.30 and 8,827.61

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Solution

The fourth proportional to 15,901.19, 21,944.30 and 8,827.61 is: 12,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,901.19 : 21,944.30 = 8,827.61 : x
  2. Step 2: Convert to fraction form
    15,901.19/21,944.30 = 8,827.61/x
  3. Step 3: Cross multiply
    15,901.19x = 21,944.30 × 8,827.61
  4. Step 4: Simplify right side
    15,901.19x = 193,715,568.26
  5. Step 5: Solve for x
    x = 193,715,568.26/15,901.19
  6. Step 6: Final answer
    x = 12,182.46

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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.