Home / 10,721.85-16,048.22-5,520.57

Finding the Fourth Proportional to 10,721.85, 16,048.22 and 5,520.57

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Solution

The fourth proportional to 10,721.85, 16,048.22 and 5,520.57 is: 8,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.85 : 16,048.22 = 5,520.57 : x
  2. Step 2: Convert to fraction form
    10,721.85/16,048.22 = 5,520.57/x
  3. Step 3: Cross multiply
    10,721.85x = 16,048.22 × 5,520.57
  4. Step 4: Simplify right side
    10,721.85x = 88,595,294.28
  5. Step 5: Solve for x
    x = 88,595,294.28/10,721.85
  6. Step 6: Final answer
    x = 8,263.06

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1.5x scale

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.