Home / 12,877.49-19,311.36-5,947.13

Finding the Fourth Proportional to 12,877.49, 19,311.36 and 5,947.13

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Solution

The fourth proportional to 12,877.49, 19,311.36 and 5,947.13 is: 8,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.49 : 19,311.36 = 5,947.13 : x
  2. Step 2: Convert to fraction form
    12,877.49/19,311.36 = 5,947.13/x
  3. Step 3: Cross multiply
    12,877.49x = 19,311.36 × 5,947.13
  4. Step 4: Simplify right side
    12,877.49x = 114,847,071.84
  5. Step 5: Solve for x
    x = 114,847,071.84/12,877.49
  6. Step 6: Final answer
    x = 8,918.44

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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.