Home / 12,947.27-19,422.02-5,549.98

Finding the Fourth Proportional to 12,947.27, 19,422.02 and 5,549.98

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Solution

The fourth proportional to 12,947.27, 19,422.02 and 5,549.98 is: 8,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947.27 : 19,422.02 = 5,549.98 : x
  2. Step 2: Convert to fraction form
    12,947.27/19,422.02 = 5,549.98/x
  3. Step 3: Cross multiply
    12,947.27x = 19,422.02 × 5,549.98
  4. Step 4: Simplify right side
    12,947.27x = 107,791,697.70
  5. Step 5: Solve for x
    x = 107,791,697.70/12,947.27
  6. Step 6: Final answer
    x = 8,325.44

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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.