Home / 10,429.31-15,645.48-3,032.81

Finding the Fourth Proportional to 10,429.31, 15,645.48 and 3,032.81

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Solution

The fourth proportional to 10,429.31, 15,645.48 and 3,032.81 is: 4,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.31 : 15,645.48 = 3,032.81 : x
  2. Step 2: Convert to fraction form
    10,429.31/15,645.48 = 3,032.81/x
  3. Step 3: Cross multiply
    10,429.31x = 15,645.48 × 3,032.81
  4. Step 4: Simplify right side
    10,429.31x = 47,449,689.97
  5. Step 5: Solve for x
    x = 47,449,689.97/10,429.31
  6. Step 6: Final answer
    x = 4,549.65

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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.