Home / 10,265.65-15,399.09-2,870.55

Finding the Fourth Proportional to 10,265.65, 15,399.09 and 2,870.55

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Solution

The fourth proportional to 10,265.65, 15,399.09 and 2,870.55 is: 4,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.65 : 15,399.09 = 2,870.55 : x
  2. Step 2: Convert to fraction form
    10,265.65/15,399.09 = 2,870.55/x
  3. Step 3: Cross multiply
    10,265.65x = 15,399.09 × 2,870.55
  4. Step 4: Simplify right side
    10,265.65x = 44,203,857.80
  5. Step 5: Solve for x
    x = 44,203,857.80/10,265.65
  6. Step 6: Final answer
    x = 4,306.00

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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.