Home / 8,852.20-13,280.12-7,401.49

Finding the Fourth Proportional to 8,852.20, 13,280.12 and 7,401.49

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Solution

The fourth proportional to 8,852.20, 13,280.12 and 7,401.49 is: 11,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.20 : 13,280.12 = 7,401.49 : x
  2. Step 2: Convert to fraction form
    8,852.20/13,280.12 = 7,401.49/x
  3. Step 3: Cross multiply
    8,852.20x = 13,280.12 × 7,401.49
  4. Step 4: Simplify right side
    8,852.20x = 98,292,675.38
  5. Step 5: Solve for x
    x = 98,292,675.38/8,852.20
  6. Step 6: Final answer
    x = 11,103.76

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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.