Home / 12,933.27-19,402.47-8,947.44

Finding the Fourth Proportional to 12,933.27, 19,402.47 and 8,947.44

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Solution

The fourth proportional to 12,933.27, 19,402.47 and 8,947.44 is: 13,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.27 : 19,402.47 = 8,947.44 : x
  2. Step 2: Convert to fraction form
    12,933.27/19,402.47 = 8,947.44/x
  3. Step 3: Cross multiply
    12,933.27x = 19,402.47 × 8,947.44
  4. Step 4: Simplify right side
    12,933.27x = 173,602,436.18
  5. Step 5: Solve for x
    x = 173,602,436.18/12,933.27
  6. Step 6: Final answer
    x = 13,422.93

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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.