Home / 14,868.80-20,517.51-8,900.34

Finding the Fourth Proportional to 14,868.80, 20,517.51 and 8,900.34

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Solution

The fourth proportional to 14,868.80, 20,517.51 and 8,900.34 is: 12,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.80 : 20,517.51 = 8,900.34 : x
  2. Step 2: Convert to fraction form
    14,868.80/20,517.51 = 8,900.34/x
  3. Step 3: Cross multiply
    14,868.80x = 20,517.51 × 8,900.34
  4. Step 4: Simplify right side
    14,868.80x = 182,612,836.74
  5. Step 5: Solve for x
    x = 182,612,836.74/14,868.80
  6. Step 6: Final answer
    x = 12,281.61

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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.