Home / 21,479.07-32,174.87-9,800.49

Finding the Fourth Proportional to 21,479.07, 32,174.87 and 9,800.49

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Solution

The fourth proportional to 21,479.07, 32,174.87 and 9,800.49 is: 14,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.07 : 32,174.87 = 9,800.49 : x
  2. Step 2: Convert to fraction form
    21,479.07/32,174.87 = 9,800.49/x
  3. Step 3: Cross multiply
    21,479.07x = 32,174.87 × 9,800.49
  4. Step 4: Simplify right side
    21,479.07x = 315,329,618.47
  5. Step 5: Solve for x
    x = 315,329,618.47/21,479.07
  6. Step 6: Final answer
    x = 14,680.78

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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.