Home / 12,284.20-18,422.34-5,264.04

Finding the Fourth Proportional to 12,284.20, 18,422.34 and 5,264.04

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Solution

The fourth proportional to 12,284.20, 18,422.34 and 5,264.04 is: 7,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.20 : 18,422.34 = 5,264.04 : x
  2. Step 2: Convert to fraction form
    12,284.20/18,422.34 = 5,264.04/x
  3. Step 3: Cross multiply
    12,284.20x = 18,422.34 × 5,264.04
  4. Step 4: Simplify right side
    12,284.20x = 96,975,934.65
  5. Step 5: Solve for x
    x = 96,975,934.65/12,284.20
  6. Step 6: Final answer
    x = 7,894.36

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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.