Home / 10,266.36-15,399.54-2,870.52

Finding the Fourth Proportional to 10,266.36, 15,399.54 and 2,870.52

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Solution

The fourth proportional to 10,266.36, 15,399.54 and 2,870.52 is: 4,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.36 : 15,399.54 = 2,870.52 : x
  2. Step 2: Convert to fraction form
    10,266.36/15,399.54 = 2,870.52/x
  3. Step 3: Cross multiply
    10,266.36x = 15,399.54 × 2,870.52
  4. Step 4: Simplify right side
    10,266.36x = 44,204,687.56
  5. Step 5: Solve for x
    x = 44,204,687.56/10,266.36
  6. Step 6: Final answer
    x = 4,305.78

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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.