Home / 21,896.32-32,839.62-6,315.16

Finding the Fourth Proportional to 21,896.32, 32,839.62 and 6,315.16

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Solution

The fourth proportional to 21,896.32, 32,839.62 and 6,315.16 is: 9,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896.32 : 32,839.62 = 6,315.16 : x
  2. Step 2: Convert to fraction form
    21,896.32/32,839.62 = 6,315.16/x
  3. Step 3: Cross multiply
    21,896.32x = 32,839.62 × 6,315.16
  4. Step 4: Simplify right side
    21,896.32x = 207,387,454.64
  5. Step 5: Solve for x
    x = 207,387,454.64/21,896.32
  6. Step 6: Final answer
    x = 9,471.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.