Home / 10,378.76-15,569.04-4,455.92

Finding the Fourth Proportional to 10,378.76, 15,569.04 and 4,455.92

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Solution

The fourth proportional to 10,378.76, 15,569.04 and 4,455.92 is: 6,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.76 : 15,569.04 = 4,455.92 : x
  2. Step 2: Convert to fraction form
    10,378.76/15,569.04 = 4,455.92/x
  3. Step 3: Cross multiply
    10,378.76x = 15,569.04 × 4,455.92
  4. Step 4: Simplify right side
    10,378.76x = 69,374,396.72
  5. Step 5: Solve for x
    x = 69,374,396.72/10,378.76
  6. Step 6: Final answer
    x = 6,684.27

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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.