Home / 10,265.85-15,389.66-3,690.27

Finding the Fourth Proportional to 10,265.85, 15,389.66 and 3,690.27

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Solution

The fourth proportional to 10,265.85, 15,389.66 and 3,690.27 is: 5,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.85 : 15,389.66 = 3,690.27 : x
  2. Step 2: Convert to fraction form
    10,265.85/15,389.66 = 3,690.27/x
  3. Step 3: Cross multiply
    10,265.85x = 15,389.66 × 3,690.27
  4. Step 4: Simplify right side
    10,265.85x = 56,791,982.16
  5. Step 5: Solve for x
    x = 56,791,982.16/10,265.85
  6. Step 6: Final answer
    x = 5,532.13

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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.