Home / 12,877.33-19,323.30-6,954.15

Finding the Fourth Proportional to 12,877.33, 19,323.30 and 6,954.15

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Solution

The fourth proportional to 12,877.33, 19,323.30 and 6,954.15 is: 10,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.33 : 19,323.30 = 6,954.15 : x
  2. Step 2: Convert to fraction form
    12,877.33/19,323.30 = 6,954.15/x
  3. Step 3: Cross multiply
    12,877.33x = 19,323.30 × 6,954.15
  4. Step 4: Simplify right side
    12,877.33x = 134,377,126.70
  5. Step 5: Solve for x
    x = 134,377,126.70/12,877.33
  6. Step 6: Final answer
    x = 10,435.17

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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.