Home / 12,860.50-19,290.73-8,446.04

Finding the Fourth Proportional to 12,860.50, 19,290.73 and 8,446.04

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Solution

The fourth proportional to 12,860.50, 19,290.73 and 8,446.04 is: 12,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.50 : 19,290.73 = 8,446.04 : x
  2. Step 2: Convert to fraction form
    12,860.50/19,290.73 = 8,446.04/x
  3. Step 3: Cross multiply
    12,860.50x = 19,290.73 × 8,446.04
  4. Step 4: Simplify right side
    12,860.50x = 162,930,180.76
  5. Step 5: Solve for x
    x = 162,930,180.76/12,860.50
  6. Step 6: Final answer
    x = 12,669.04

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Double scale
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Similar ratio
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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.