Home / 16,679.66-23,021.02-10,718.78

Finding the Fourth Proportional to 16,679.66, 23,021.02 and 10,718.78

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Solution

The fourth proportional to 16,679.66, 23,021.02 and 10,718.78 is: 14,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.66 : 23,021.02 = 10,718.78 : x
  2. Step 2: Convert to fraction form
    16,679.66/23,021.02 = 10,718.78/x
  3. Step 3: Cross multiply
    16,679.66x = 23,021.02 × 10,718.78
  4. Step 4: Simplify right side
    16,679.66x = 246,757,248.76
  5. Step 5: Solve for x
    x = 246,757,248.76/16,679.66
  6. Step 6: Final answer
    x = 14,793.90

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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.