Home / 10,345.29-15,504.09-3,765.24

Finding the Fourth Proportional to 10,345.29, 15,504.09 and 3,765.24

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Solution

The fourth proportional to 10,345.29, 15,504.09 and 3,765.24 is: 5,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.29 : 15,504.09 = 3,765.24 : x
  2. Step 2: Convert to fraction form
    10,345.29/15,504.09 = 3,765.24/x
  3. Step 3: Cross multiply
    10,345.29x = 15,504.09 × 3,765.24
  4. Step 4: Simplify right side
    10,345.29x = 58,376,619.83
  5. Step 5: Solve for x
    x = 58,376,619.83/10,345.29
  6. Step 6: Final answer
    x = 5,642.82

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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.