Home / 10,430.89-15,644.46-2,932.65

Finding the Fourth Proportional to 10,430.89, 15,644.46 and 2,932.65

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Solution

The fourth proportional to 10,430.89, 15,644.46 and 2,932.65 is: 4,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.89 : 15,644.46 = 2,932.65 : x
  2. Step 2: Convert to fraction form
    10,430.89/15,644.46 = 2,932.65/x
  3. Step 3: Cross multiply
    10,430.89x = 15,644.46 × 2,932.65
  4. Step 4: Simplify right side
    10,430.89x = 45,879,745.32
  5. Step 5: Solve for x
    x = 45,879,745.32/10,430.89
  6. Step 6: Final answer
    x = 4,398.45

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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.