Home / 13,514.04-18,642.92-8,475.73

Finding the Fourth Proportional to 13,514.04, 18,642.92 and 8,475.73

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Solution

The fourth proportional to 13,514.04, 18,642.92 and 8,475.73 is: 11,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.04 : 18,642.92 = 8,475.73 : x
  2. Step 2: Convert to fraction form
    13,514.04/18,642.92 = 8,475.73/x
  3. Step 3: Cross multiply
    13,514.04x = 18,642.92 × 8,475.73
  4. Step 4: Simplify right side
    13,514.04x = 158,012,267.35
  5. Step 5: Solve for x
    x = 158,012,267.35/13,514.04
  6. Step 6: Final answer
    x = 11,692.45

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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.