Home / 10,480.38-14,486.04-9,211.92

Finding the Fourth Proportional to 10,480.38, 14,486.04 and 9,211.92

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Solution

The fourth proportional to 10,480.38, 14,486.04 and 9,211.92 is: 12,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.38 : 14,486.04 = 9,211.92 : x
  2. Step 2: Convert to fraction form
    10,480.38/14,486.04 = 9,211.92/x
  3. Step 3: Cross multiply
    10,480.38x = 14,486.04 × 9,211.92
  4. Step 4: Simplify right side
    10,480.38x = 133,444,241.60
  5. Step 5: Solve for x
    x = 133,444,241.60/10,480.38
  6. Step 6: Final answer
    x = 12,732.77

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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.