Home / 15,541.14-21,446.92-8,826.90

Finding the Fourth Proportional to 15,541.14, 21,446.92 and 8,826.90

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Solution

The fourth proportional to 15,541.14, 21,446.92 and 8,826.90 is: 12,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.14 : 21,446.92 = 8,826.90 : x
  2. Step 2: Convert to fraction form
    15,541.14/21,446.92 = 8,826.90/x
  3. Step 3: Cross multiply
    15,541.14x = 21,446.92 × 8,826.90
  4. Step 4: Simplify right side
    15,541.14x = 189,309,818.15
  5. Step 5: Solve for x
    x = 189,309,818.15/15,541.14
  6. Step 6: Final answer
    x = 12,181.21

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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.