Home / 15,904.32-21,958.72-9,944.96

Finding the Fourth Proportional to 15,904.32, 21,958.72 and 9,944.96

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Solution

The fourth proportional to 15,904.32, 21,958.72 and 9,944.96 is: 13,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.32 : 21,958.72 = 9,944.96 : x
  2. Step 2: Convert to fraction form
    15,904.32/21,958.72 = 9,944.96/x
  3. Step 3: Cross multiply
    15,904.32x = 21,958.72 × 9,944.96
  4. Step 4: Simplify right side
    15,904.32x = 218,378,592.05
  5. Step 5: Solve for x
    x = 218,378,592.05/15,904.32
  6. Step 6: Final answer
    x = 13,730.77

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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.