Home / 13,114.20-19,671.30-11,818.20

Finding the Fourth Proportional to 13,114.20, 19,671.30 and 11,818.20

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Solution

The fourth proportional to 13,114.20, 19,671.30 and 11,818.20 is: 17,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.20 : 19,671.30 = 11,818.20 : x
  2. Step 2: Convert to fraction form
    13,114.20/19,671.30 = 11,818.20/x
  3. Step 3: Cross multiply
    13,114.20x = 19,671.30 × 11,818.20
  4. Step 4: Simplify right side
    13,114.20x = 232,479,357.66
  5. Step 5: Solve for x
    x = 232,479,357.66/13,114.20
  6. Step 6: Final answer
    x = 17,727.30

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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.