Home / 21,482.07-32,179.35-9,803.49

Finding the Fourth Proportional to 21,482.07, 32,179.35 and 9,803.49

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Solution

The fourth proportional to 21,482.07, 32,179.35 and 9,803.49 is: 14,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.07 : 32,179.35 = 9,803.49 : x
  2. Step 2: Convert to fraction form
    21,482.07/32,179.35 = 9,803.49/x
  3. Step 3: Cross multiply
    21,482.07x = 32,179.35 × 9,803.49
  4. Step 4: Simplify right side
    21,482.07x = 315,469,935.93
  5. Step 5: Solve for x
    x = 315,469,935.93/21,482.07
  6. Step 6: Final answer
    x = 14,685.27

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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.