Home / 10,065.75-15,089.39-3,487.34

Finding the Fourth Proportional to 10,065.75, 15,089.39 and 3,487.34

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Solution

The fourth proportional to 10,065.75, 15,089.39 and 3,487.34 is: 5,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.75 : 15,089.39 = 3,487.34 : x
  2. Step 2: Convert to fraction form
    10,065.75/15,089.39 = 3,487.34/x
  3. Step 3: Cross multiply
    10,065.75x = 15,089.39 × 3,487.34
  4. Step 4: Simplify right side
    10,065.75x = 52,621,781.81
  5. Step 5: Solve for x
    x = 52,621,781.81/10,065.75
  6. Step 6: Final answer
    x = 5,227.80

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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.