Home / 15,922.32-21,981.96-10,634.64

Finding the Fourth Proportional to 15,922.32, 21,981.96 and 10,634.64

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Solution

The fourth proportional to 15,922.32, 21,981.96 and 10,634.64 is: 14,681.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.32 : 21,981.96 = 10,634.64 : x
  2. Step 2: Convert to fraction form
    15,922.32/21,981.96 = 10,634.64/x
  3. Step 3: Cross multiply
    15,922.32x = 21,981.96 × 10,634.64
  4. Step 4: Simplify right side
    15,922.32x = 233,770,231.09
  5. Step 5: Solve for x
    x = 233,770,231.09/15,922.32
  6. Step 6: Final answer
    x = 14,681.92

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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.