Home / 13,590.28-20,357.58-8,026.78

Finding the Fourth Proportional to 13,590.28, 20,357.58 and 8,026.78

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Solution

The fourth proportional to 13,590.28, 20,357.58 and 8,026.78 is: 12,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.28 : 20,357.58 = 8,026.78 : x
  2. Step 2: Convert to fraction form
    13,590.28/20,357.58 = 8,026.78/x
  3. Step 3: Cross multiply
    13,590.28x = 20,357.58 × 8,026.78
  4. Step 4: Simplify right side
    13,590.28x = 163,405,815.99
  5. Step 5: Solve for x
    x = 163,405,815.99/13,590.28
  6. Step 6: Final answer
    x = 12,023.73

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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.