Home / 11,102.19-16,638.93-8,306.93

Finding the Fourth Proportional to 11,102.19, 16,638.93 and 8,306.93

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Solution

The fourth proportional to 11,102.19, 16,638.93 and 8,306.93 is: 12,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.19 : 16,638.93 = 8,306.93 : x
  2. Step 2: Convert to fraction form
    11,102.19/16,638.93 = 8,306.93/x
  3. Step 3: Cross multiply
    11,102.19x = 16,638.93 × 8,306.93
  4. Step 4: Simplify right side
    11,102.19x = 138,218,426.78
  5. Step 5: Solve for x
    x = 138,218,426.78/11,102.19
  6. Step 6: Final answer
    x = 12,449.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.