Home / 16,679.09-23,016.26-9,123.95

Finding the Fourth Proportional to 16,679.09, 23,016.26 and 9,123.95

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Solution

The fourth proportional to 16,679.09, 23,016.26 and 9,123.95 is: 12,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.09 : 23,016.26 = 9,123.95 : x
  2. Step 2: Convert to fraction form
    16,679.09/23,016.26 = 9,123.95/x
  3. Step 3: Cross multiply
    16,679.09x = 23,016.26 × 9,123.95
  4. Step 4: Simplify right side
    16,679.09x = 209,999,285.78
  5. Step 5: Solve for x
    x = 209,999,285.78/16,679.09
  6. Step 6: Final answer
    x = 12,590.57

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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.