Home / 10,780.05-16,074.87-9,469.17

Finding the Fourth Proportional to 10,780.05, 16,074.87 and 9,469.17

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Solution

The fourth proportional to 10,780.05, 16,074.87 and 9,469.17 is: 14,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.05 : 16,074.87 = 9,469.17 : x
  2. Step 2: Convert to fraction form
    10,780.05/16,074.87 = 9,469.17/x
  3. Step 3: Cross multiply
    10,780.05x = 16,074.87 × 9,469.17
  4. Step 4: Simplify right side
    10,780.05x = 152,215,676.76
  5. Step 5: Solve for x
    x = 152,215,676.76/10,780.05
  6. Step 6: Final answer
    x = 14,120.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.