Home / 16,868.54-23,278.77-9,314.86

Finding the Fourth Proportional to 16,868.54, 23,278.77 and 9,314.86

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Solution

The fourth proportional to 16,868.54, 23,278.77 and 9,314.86 is: 12,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.54 : 23,278.77 = 9,314.86 : x
  2. Step 2: Convert to fraction form
    16,868.54/23,278.77 = 9,314.86/x
  3. Step 3: Cross multiply
    16,868.54x = 23,278.77 × 9,314.86
  4. Step 4: Simplify right side
    16,868.54x = 216,838,367.13
  5. Step 5: Solve for x
    x = 216,838,367.13/16,868.54
  6. Step 6: Final answer
    x = 12,854.60

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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.