Home / 16,178.35-22,269.99-13,947.61

Finding the Fourth Proportional to 16,178.35, 22,269.99 and 13,947.61

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Solution

The fourth proportional to 16,178.35, 22,269.99 and 13,947.61 is: 19,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,178.35 : 22,269.99 = 13,947.61 : x
  2. Step 2: Convert to fraction form
    16,178.35/22,269.99 = 13,947.61/x
  3. Step 3: Cross multiply
    16,178.35x = 22,269.99 × 13,947.61
  4. Step 4: Simplify right side
    16,178.35x = 310,613,135.22
  5. Step 5: Solve for x
    x = 310,613,135.22/16,178.35
  6. Step 6: Final answer
    x = 19,199.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.