Home / 22,440.68-30,965.34-13,007.96

Finding the Fourth Proportional to 22,440.68, 30,965.34 and 13,007.96

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Solution

The fourth proportional to 22,440.68, 30,965.34 and 13,007.96 is: 17,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.68 : 30,965.34 = 13,007.96 : x
  2. Step 2: Convert to fraction form
    22,440.68/30,965.34 = 13,007.96/x
  3. Step 3: Cross multiply
    22,440.68x = 30,965.34 × 13,007.96
  4. Step 4: Simplify right side
    22,440.68x = 402,795,904.11
  5. Step 5: Solve for x
    x = 402,795,904.11/22,440.68
  6. Step 6: Final answer
    x = 17,949.36

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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.