Home / 15,546.86-21,454.58-8,473.28

Finding the Fourth Proportional to 15,546.86, 21,454.58 and 8,473.28

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Solution

The fourth proportional to 15,546.86, 21,454.58 and 8,473.28 is: 11,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.86 : 21,454.58 = 8,473.28 : x
  2. Step 2: Convert to fraction form
    15,546.86/21,454.58 = 8,473.28/x
  3. Step 3: Cross multiply
    15,546.86x = 21,454.58 × 8,473.28
  4. Step 4: Simplify right side
    15,546.86x = 181,790,663.62
  5. Step 5: Solve for x
    x = 181,790,663.62/15,546.86
  6. Step 6: Final answer
    x = 11,693.08

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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.