Home / 13,404.15-20,091.17-6,291.89

Finding the Fourth Proportional to 13,404.15, 20,091.17 and 6,291.89

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Solution

The fourth proportional to 13,404.15, 20,091.17 and 6,291.89 is: 9,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.15 : 20,091.17 = 6,291.89 : x
  2. Step 2: Convert to fraction form
    13,404.15/20,091.17 = 6,291.89/x
  3. Step 3: Cross multiply
    13,404.15x = 20,091.17 × 6,291.89
  4. Step 4: Simplify right side
    13,404.15x = 126,411,299.70
  5. Step 5: Solve for x
    x = 126,411,299.70/13,404.15
  6. Step 6: Final answer
    x = 9,430.76

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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.