Home / 21,204.79-31,823.58-8,060.92

Finding the Fourth Proportional to 21,204.79, 31,823.58 and 8,060.92

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Solution

The fourth proportional to 21,204.79, 31,823.58 and 8,060.92 is: 12,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.79 : 31,823.58 = 8,060.92 : x
  2. Step 2: Convert to fraction form
    21,204.79/31,823.58 = 8,060.92/x
  3. Step 3: Cross multiply
    21,204.79x = 31,823.58 × 8,060.92
  4. Step 4: Simplify right side
    21,204.79x = 256,527,283.16
  5. Step 5: Solve for x
    x = 256,527,283.16/21,204.79
  6. Step 6: Final answer
    x = 12,097.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.