Home / 12,306.98-16,972.26-10,885.44

Finding the Fourth Proportional to 12,306.98, 16,972.26 and 10,885.44

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Solution

The fourth proportional to 12,306.98, 16,972.26 and 10,885.44 is: 15,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.98 : 16,972.26 = 10,885.44 : x
  2. Step 2: Convert to fraction form
    12,306.98/16,972.26 = 10,885.44/x
  3. Step 3: Cross multiply
    12,306.98x = 16,972.26 × 10,885.44
  4. Step 4: Simplify right side
    12,306.98x = 184,750,517.89
  5. Step 5: Solve for x
    x = 184,750,517.89/12,306.98
  6. Step 6: Final answer
    x = 15,011.85

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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.