Home / 9,039.89-13,561.05-8,493.14

Finding the Fourth Proportional to 9,039.89, 13,561.05 and 8,493.14

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Solution

The fourth proportional to 9,039.89, 13,561.05 and 8,493.14 is: 12,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.89 : 13,561.05 = 8,493.14 : x
  2. Step 2: Convert to fraction form
    9,039.89/13,561.05 = 8,493.14/x
  3. Step 3: Cross multiply
    9,039.89x = 13,561.05 × 8,493.14
  4. Step 4: Simplify right side
    9,039.89x = 115,175,828.39
  5. Step 5: Solve for x
    x = 115,175,828.39/9,039.89
  6. Step 6: Final answer
    x = 12,740.85

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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.