Home / 10,339.31-15,515.88-3,675.54

Finding the Fourth Proportional to 10,339.31, 15,515.88 and 3,675.54

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Solution

The fourth proportional to 10,339.31, 15,515.88 and 3,675.54 is: 5,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.31 : 15,515.88 = 3,675.54 : x
  2. Step 2: Convert to fraction form
    10,339.31/15,515.88 = 3,675.54/x
  3. Step 3: Cross multiply
    10,339.31x = 15,515.88 × 3,675.54
  4. Step 4: Simplify right side
    10,339.31x = 57,029,219.20
  5. Step 5: Solve for x
    x = 57,029,219.20/10,339.31
  6. Step 6: Final answer
    x = 5,515.77

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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.