Home / 11,422.95-17,127.57-4,751.42

Finding the Fourth Proportional to 11,422.95, 17,127.57 and 4,751.42

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Solution

The fourth proportional to 11,422.95, 17,127.57 and 4,751.42 is: 7,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.95 : 17,127.57 = 4,751.42 : x
  2. Step 2: Convert to fraction form
    11,422.95/17,127.57 = 4,751.42/x
  3. Step 3: Cross multiply
    11,422.95x = 17,127.57 × 4,751.42
  4. Step 4: Simplify right side
    11,422.95x = 81,380,278.65
  5. Step 5: Solve for x
    x = 81,380,278.65/11,422.95
  6. Step 6: Final answer
    x = 7,124.28

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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.