Home / 13,118.20-19,677.02-3,257.52

Finding the Fourth Proportional to 13,118.20, 19,677.02 and 3,257.52

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Solution

The fourth proportional to 13,118.20, 19,677.02 and 3,257.52 is: 4,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.20 : 19,677.02 = 3,257.52 : x
  2. Step 2: Convert to fraction form
    13,118.20/19,677.02 = 3,257.52/x
  3. Step 3: Cross multiply
    13,118.20x = 19,677.02 × 3,257.52
  4. Step 4: Simplify right side
    13,118.20x = 64,098,286.19
  5. Step 5: Solve for x
    x = 64,098,286.19/13,118.20
  6. Step 6: Final answer
    x = 4,886.21

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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.