Home / 10,345.44-15,515.52-4,793.36

Finding the Fourth Proportional to 10,345.44, 15,515.52 and 4,793.36

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Solution

The fourth proportional to 10,345.44, 15,515.52 and 4,793.36 is: 7,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.44 : 15,515.52 = 4,793.36 : x
  2. Step 2: Convert to fraction form
    10,345.44/15,515.52 = 4,793.36/x
  3. Step 3: Cross multiply
    10,345.44x = 15,515.52 × 4,793.36
  4. Step 4: Simplify right side
    10,345.44x = 74,371,472.95
  5. Step 5: Solve for x
    x = 74,371,472.95/10,345.44
  6. Step 6: Final answer
    x = 7,188.82

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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.