Home / 10,364.05-15,540-4,436.65

Finding the Fourth Proportional to 10,364.05, 15,540 and 4,436.65

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Solution

The fourth proportional to 10,364.05, 15,540 and 4,436.65 is: 6,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.05 : 15,540 = 4,436.65 : x
  2. Step 2: Convert to fraction form
    10,364.05/15,540 = 4,436.65/x
  3. Step 3: Cross multiply
    10,364.05x = 15,540 × 4,436.65
  4. Step 4: Simplify right side
    10,364.05x = 68,945,541
  5. Step 5: Solve for x
    x = 68,945,541/10,364.05
  6. Step 6: Final answer
    x = 6,652.37

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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.