Home / 10,265.87-15,389.90-4,993.53

Finding the Fourth Proportional to 10,265.87, 15,389.90 and 4,993.53

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Solution

The fourth proportional to 10,265.87, 15,389.90 and 4,993.53 is: 7,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.87 : 15,389.90 = 4,993.53 : x
  2. Step 2: Convert to fraction form
    10,265.87/15,389.90 = 4,993.53/x
  3. Step 3: Cross multiply
    10,265.87x = 15,389.90 × 4,993.53
  4. Step 4: Simplify right side
    10,265.87x = 76,849,949.96
  5. Step 5: Solve for x
    x = 76,849,949.96/10,265.87
  6. Step 6: Final answer
    x = 7,485.96

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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.