Home / 15,941.17-21,998.28-8,867.44

Finding the Fourth Proportional to 15,941.17, 21,998.28 and 8,867.44

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Solution

The fourth proportional to 15,941.17, 21,998.28 and 8,867.44 is: 12,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.17 : 21,998.28 = 8,867.44 : x
  2. Step 2: Convert to fraction form
    15,941.17/21,998.28 = 8,867.44/x
  3. Step 3: Cross multiply
    15,941.17x = 21,998.28 × 8,867.44
  4. Step 4: Simplify right side
    15,941.17x = 195,068,428.00
  5. Step 5: Solve for x
    x = 195,068,428.00/15,941.17
  6. Step 6: Final answer
    x = 12,236.77

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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.