Home / 13,121.64-19,675.25-8,966.34

Finding the Fourth Proportional to 13,121.64, 19,675.25 and 8,966.34

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Solution

The fourth proportional to 13,121.64, 19,675.25 and 8,966.34 is: 13,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121.64 : 19,675.25 = 8,966.34 : x
  2. Step 2: Convert to fraction form
    13,121.64/19,675.25 = 8,966.34/x
  3. Step 3: Cross multiply
    13,121.64x = 19,675.25 × 8,966.34
  4. Step 4: Simplify right side
    13,121.64x = 176,414,936.25
  5. Step 5: Solve for x
    x = 176,414,936.25/13,121.64
  6. Step 6: Final answer
    x = 13,444.58

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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.