Home / 12,104.03-18,159.12-7,110.63

Finding the Fourth Proportional to 12,104.03, 18,159.12 and 7,110.63

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Solution

The fourth proportional to 12,104.03, 18,159.12 and 7,110.63 is: 10,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.03 : 18,159.12 = 7,110.63 : x
  2. Step 2: Convert to fraction form
    12,104.03/18,159.12 = 7,110.63/x
  3. Step 3: Cross multiply
    12,104.03x = 18,159.12 × 7,110.63
  4. Step 4: Simplify right side
    12,104.03x = 129,122,657.10
  5. Step 5: Solve for x
    x = 129,122,657.10/12,104.03
  6. Step 6: Final answer
    x = 10,667.75

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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.