Home / 9,445.96-14,159.90-3,521.28

Finding the Fourth Proportional to 9,445.96, 14,159.90 and 3,521.28

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Solution

The fourth proportional to 9,445.96, 14,159.90 and 3,521.28 is: 5,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.96 : 14,159.90 = 3,521.28 : x
  2. Step 2: Convert to fraction form
    9,445.96/14,159.90 = 3,521.28/x
  3. Step 3: Cross multiply
    9,445.96x = 14,159.90 × 3,521.28
  4. Step 4: Simplify right side
    9,445.96x = 49,860,972.67
  5. Step 5: Solve for x
    x = 49,860,972.67/9,445.96
  6. Step 6: Final answer
    x = 5,278.55

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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.