Home / 21,695.06-32,530.14-8,540.26

Finding the Fourth Proportional to 21,695.06, 32,530.14 and 8,540.26

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Solution

The fourth proportional to 21,695.06, 32,530.14 and 8,540.26 is: 12,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.06 : 32,530.14 = 8,540.26 : x
  2. Step 2: Convert to fraction form
    21,695.06/32,530.14 = 8,540.26/x
  3. Step 3: Cross multiply
    21,695.06x = 32,530.14 × 8,540.26
  4. Step 4: Simplify right side
    21,695.06x = 277,815,772.11
  5. Step 5: Solve for x
    x = 277,815,772.11/21,695.06
  6. Step 6: Final answer
    x = 12,805.48

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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.