Home / 10,281.34-15,412.20-4,738.42

Finding the Fourth Proportional to 10,281.34, 15,412.20 and 4,738.42

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Solution

The fourth proportional to 10,281.34, 15,412.20 and 4,738.42 is: 7,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.34 : 15,412.20 = 4,738.42 : x
  2. Step 2: Convert to fraction form
    10,281.34/15,412.20 = 4,738.42/x
  3. Step 3: Cross multiply
    10,281.34x = 15,412.20 × 4,738.42
  4. Step 4: Simplify right side
    10,281.34x = 73,029,476.72
  5. Step 5: Solve for x
    x = 73,029,476.72/10,281.34
  6. Step 6: Final answer
    x = 7,103.11

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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.