Home / 10,343.21-15,515.55-2,948.27

Finding the Fourth Proportional to 10,343.21, 15,515.55 and 2,948.27

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Solution

The fourth proportional to 10,343.21, 15,515.55 and 2,948.27 is: 4,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.21 : 15,515.55 = 2,948.27 : x
  2. Step 2: Convert to fraction form
    10,343.21/15,515.55 = 2,948.27/x
  3. Step 3: Cross multiply
    10,343.21x = 15,515.55 × 2,948.27
  4. Step 4: Simplify right side
    10,343.21x = 45,743,953.02
  5. Step 5: Solve for x
    x = 45,743,953.02/10,343.21
  6. Step 6: Final answer
    x = 4,422.61

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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.