Home / 14,454.55-19,947.33-8,081.38

Finding the Fourth Proportional to 14,454.55, 19,947.33 and 8,081.38

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Solution

The fourth proportional to 14,454.55, 19,947.33 and 8,081.38 is: 11,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.55 : 19,947.33 = 8,081.38 : x
  2. Step 2: Convert to fraction form
    14,454.55/19,947.33 = 8,081.38/x
  3. Step 3: Cross multiply
    14,454.55x = 19,947.33 × 8,081.38
  4. Step 4: Simplify right side
    14,454.55x = 161,201,953.72
  5. Step 5: Solve for x
    x = 161,201,953.72/14,454.55
  6. Step 6: Final answer
    x = 11,152.33

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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.