Home / 16,868.55-23,278.12-9,314.74

Finding the Fourth Proportional to 16,868.55, 23,278.12 and 9,314.74

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Solution

The fourth proportional to 16,868.55, 23,278.12 and 9,314.74 is: 12,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.55 : 23,278.12 = 9,314.74 : x
  2. Step 2: Convert to fraction form
    16,868.55/23,278.12 = 9,314.74/x
  3. Step 3: Cross multiply
    16,868.55x = 23,278.12 × 9,314.74
  4. Step 4: Simplify right side
    16,868.55x = 216,829,635.49
  5. Step 5: Solve for x
    x = 216,829,635.49/16,868.55
  6. Step 6: Final answer
    x = 12,854.08

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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.