Home / 13,422.97-18,525.15-8,582.08

Finding the Fourth Proportional to 13,422.97, 18,525.15 and 8,582.08

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Solution

The fourth proportional to 13,422.97, 18,525.15 and 8,582.08 is: 11,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422.97 : 18,525.15 = 8,582.08 : x
  2. Step 2: Convert to fraction form
    13,422.97/18,525.15 = 8,582.08/x
  3. Step 3: Cross multiply
    13,422.97x = 18,525.15 × 8,582.08
  4. Step 4: Simplify right side
    13,422.97x = 158,984,410.25
  5. Step 5: Solve for x
    x = 158,984,410.25/13,422.97
  6. Step 6: Final answer
    x = 11,844.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.