Home / 10,366.65-15,540.93-3,788.64

Finding the Fourth Proportional to 10,366.65, 15,540.93 and 3,788.64

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Solution

The fourth proportional to 10,366.65, 15,540.93 and 3,788.64 is: 5,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.65 : 15,540.93 = 3,788.64 : x
  2. Step 2: Convert to fraction form
    10,366.65/15,540.93 = 3,788.64/x
  3. Step 3: Cross multiply
    10,366.65x = 15,540.93 × 3,788.64
  4. Step 4: Simplify right side
    10,366.65x = 58,878,989.04
  5. Step 5: Solve for x
    x = 58,878,989.04/10,366.65
  6. Step 6: Final answer
    x = 5,679.65

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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.