Home / 8,414.04-12,556.23-7,390.20

Finding the Fourth Proportional to 8,414.04, 12,556.23 and 7,390.20

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Solution

The fourth proportional to 8,414.04, 12,556.23 and 7,390.20 is: 11,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.04 : 12,556.23 = 7,390.20 : x
  2. Step 2: Convert to fraction form
    8,414.04/12,556.23 = 7,390.20/x
  3. Step 3: Cross multiply
    8,414.04x = 12,556.23 × 7,390.20
  4. Step 4: Simplify right side
    8,414.04x = 92,793,050.95
  5. Step 5: Solve for x
    x = 92,793,050.95/8,414.04
  6. Step 6: Final answer
    x = 11,028.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.