Home / 10,244.80-15,374.76-4,405.78

Finding the Fourth Proportional to 10,244.80, 15,374.76 and 4,405.78

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Solution

The fourth proportional to 10,244.80, 15,374.76 and 4,405.78 is: 6,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.80 : 15,374.76 = 4,405.78 : x
  2. Step 2: Convert to fraction form
    10,244.80/15,374.76 = 4,405.78/x
  3. Step 3: Cross multiply
    10,244.80x = 15,374.76 × 4,405.78
  4. Step 4: Simplify right side
    10,244.80x = 67,737,810.11
  5. Step 5: Solve for x
    x = 67,737,810.11/10,244.80
  6. Step 6: Final answer
    x = 6,611.92

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1.5x scale

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.