Home / 10,445.50-15,665.82-3,048.40

Finding the Fourth Proportional to 10,445.50, 15,665.82 and 3,048.40

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Solution

The fourth proportional to 10,445.50, 15,665.82 and 3,048.40 is: 4,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.50 : 15,665.82 = 3,048.40 : x
  2. Step 2: Convert to fraction form
    10,445.50/15,665.82 = 3,048.40/x
  3. Step 3: Cross multiply
    10,445.50x = 15,665.82 × 3,048.40
  4. Step 4: Simplify right side
    10,445.50x = 47,755,685.69
  5. Step 5: Solve for x
    x = 47,755,685.69/10,445.50
  6. Step 6: Final answer
    x = 4,571.89

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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.