Home / 11,340.75-17,011.13-4,420.11

Finding the Fourth Proportional to 11,340.75, 17,011.13 and 4,420.11

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Solution

The fourth proportional to 11,340.75, 17,011.13 and 4,420.11 is: 6,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.75 : 17,011.13 = 4,420.11 : x
  2. Step 2: Convert to fraction form
    11,340.75/17,011.13 = 4,420.11/x
  3. Step 3: Cross multiply
    11,340.75x = 17,011.13 × 4,420.11
  4. Step 4: Simplify right side
    11,340.75x = 75,191,043.72
  5. Step 5: Solve for x
    x = 75,191,043.72/11,340.75
  6. Step 6: Final answer
    x = 6,630.17

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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.