Home / 20,677.58-31,026.61-8,197.32

Finding the Fourth Proportional to 20,677.58, 31,026.61 and 8,197.32

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Solution

The fourth proportional to 20,677.58, 31,026.61 and 8,197.32 is: 12,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677.58 : 31,026.61 = 8,197.32 : x
  2. Step 2: Convert to fraction form
    20,677.58/31,026.61 = 8,197.32/x
  3. Step 3: Cross multiply
    20,677.58x = 31,026.61 × 8,197.32
  4. Step 4: Simplify right side
    20,677.58x = 254,335,177.28
  5. Step 5: Solve for x
    x = 254,335,177.28/20,677.58
  6. Step 6: Final answer
    x = 12,300.05

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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.