Home / 12,500.85-17,243.01-8,017.50

Finding the Fourth Proportional to 12,500.85, 17,243.01 and 8,017.50

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Solution

The fourth proportional to 12,500.85, 17,243.01 and 8,017.50 is: 11,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.85 : 17,243.01 = 8,017.50 : x
  2. Step 2: Convert to fraction form
    12,500.85/17,243.01 = 8,017.50/x
  3. Step 3: Cross multiply
    12,500.85x = 17,243.01 × 8,017.50
  4. Step 4: Simplify right side
    12,500.85x = 138,245,832.68
  5. Step 5: Solve for x
    x = 138,245,832.68/12,500.85
  6. Step 6: Final answer
    x = 11,058.91

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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.