Home / 13,363.14-19,947.30-12,374.94

Finding the Fourth Proportional to 13,363.14, 19,947.30 and 12,374.94

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Solution

The fourth proportional to 13,363.14, 19,947.30 and 12,374.94 is: 18,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.14 : 19,947.30 = 12,374.94 : x
  2. Step 2: Convert to fraction form
    13,363.14/19,947.30 = 12,374.94/x
  3. Step 3: Cross multiply
    13,363.14x = 19,947.30 × 12,374.94
  4. Step 4: Simplify right side
    13,363.14x = 246,846,640.66
  5. Step 5: Solve for x
    x = 246,846,640.66/13,363.14
  6. Step 6: Final answer
    x = 18,472.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.