Home / 15,546.81-21,454.62-8,473.08

Finding the Fourth Proportional to 15,546.81, 21,454.62 and 8,473.08

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Solution

The fourth proportional to 15,546.81, 21,454.62 and 8,473.08 is: 11,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.81 : 21,454.62 = 8,473.08 : x
  2. Step 2: Convert to fraction form
    15,546.81/21,454.62 = 8,473.08/x
  3. Step 3: Cross multiply
    15,546.81x = 21,454.62 × 8,473.08
  4. Step 4: Simplify right side
    15,546.81x = 181,786,711.63
  5. Step 5: Solve for x
    x = 181,786,711.63/15,546.81
  6. Step 6: Final answer
    x = 11,692.86

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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.