Home / 16,860.20-23,266.67-9,306.55

Finding the Fourth Proportional to 16,860.20, 23,266.67 and 9,306.55

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Solution

The fourth proportional to 16,860.20, 23,266.67 and 9,306.55 is: 12,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.20 : 23,266.67 = 9,306.55 : x
  2. Step 2: Convert to fraction form
    16,860.20/23,266.67 = 9,306.55/x
  3. Step 3: Cross multiply
    16,860.20x = 23,266.67 × 9,306.55
  4. Step 4: Simplify right side
    16,860.20x = 216,532,305.54
  5. Step 5: Solve for x
    x = 216,532,305.54/16,860.20
  6. Step 6: Final answer
    x = 12,842.81

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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.