Home / 13,100.18-19,612.38-11,748.12

Finding the Fourth Proportional to 13,100.18, 19,612.38 and 11,748.12

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Solution

The fourth proportional to 13,100.18, 19,612.38 and 11,748.12 is: 17,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.18 : 19,612.38 = 11,748.12 : x
  2. Step 2: Convert to fraction form
    13,100.18/19,612.38 = 11,748.12/x
  3. Step 3: Cross multiply
    13,100.18x = 19,612.38 × 11,748.12
  4. Step 4: Simplify right side
    13,100.18x = 230,408,593.73
  5. Step 5: Solve for x
    x = 230,408,593.73/13,100.18
  6. Step 6: Final answer
    x = 17,588.21

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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.