Home / 13,121.74-19,675.38-8,966.44

Finding the Fourth Proportional to 13,121.74, 19,675.38 and 8,966.44

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Solution

The fourth proportional to 13,121.74, 19,675.38 and 8,966.44 is: 13,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121.74 : 19,675.38 = 8,966.44 : x
  2. Step 2: Convert to fraction form
    13,121.74/19,675.38 = 8,966.44/x
  3. Step 3: Cross multiply
    13,121.74x = 19,675.38 × 8,966.44
  4. Step 4: Simplify right side
    13,121.74x = 176,418,114.25
  5. Step 5: Solve for x
    x = 176,418,114.25/13,121.74
  6. Step 6: Final answer
    x = 13,444.72

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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.