Home / 10,378.12-15,546.60-4,823.80

Finding the Fourth Proportional to 10,378.12, 15,546.60 and 4,823.80

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Solution

The fourth proportional to 10,378.12, 15,546.60 and 4,823.80 is: 7,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.12 : 15,546.60 = 4,823.80 : x
  2. Step 2: Convert to fraction form
    10,378.12/15,546.60 = 4,823.80/x
  3. Step 3: Cross multiply
    10,378.12x = 15,546.60 × 4,823.80
  4. Step 4: Simplify right side
    10,378.12x = 74,993,689.08
  5. Step 5: Solve for x
    x = 74,993,689.08/10,378.12
  6. Step 6: Final answer
    x = 7,226.13

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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.