Home / 15,908.46-21,953.34-8,834.76

Finding the Fourth Proportional to 15,908.46, 21,953.34 and 8,834.76

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Solution

The fourth proportional to 15,908.46, 21,953.34 and 8,834.76 is: 12,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.46 : 21,953.34 = 8,834.76 : x
  2. Step 2: Convert to fraction form
    15,908.46/21,953.34 = 8,834.76/x
  3. Step 3: Cross multiply
    15,908.46x = 21,953.34 × 8,834.76
  4. Step 4: Simplify right side
    15,908.46x = 193,952,490.10
  5. Step 5: Solve for x
    x = 193,952,490.10/15,908.46
  6. Step 6: Final answer
    x = 12,191.78

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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.