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Finding the Fourth Proportional to 12,017.95, 18,026.92 and 8,751.82

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Solution

The fourth proportional to 12,017.95, 18,026.92 and 8,751.82 is: 13,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.95 : 18,026.92 = 8,751.82 : x
  2. Step 2: Convert to fraction form
    12,017.95/18,026.92 = 8,751.82/x
  3. Step 3: Cross multiply
    12,017.95x = 18,026.92 × 8,751.82
  4. Step 4: Simplify right side
    12,017.95x = 157,768,358.99
  5. Step 5: Solve for x
    x = 157,768,358.99/12,017.95
  6. Step 6: Final answer
    x = 13,127.73

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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.