Home / 21,479.66-32,176.37-10,949.25

Finding the Fourth Proportional to 21,479.66, 32,176.37 and 10,949.25

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Solution

The fourth proportional to 21,479.66, 32,176.37 and 10,949.25 is: 16,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.66 : 32,176.37 = 10,949.25 : x
  2. Step 2: Convert to fraction form
    21,479.66/32,176.37 = 10,949.25/x
  3. Step 3: Cross multiply
    21,479.66x = 32,176.37 × 10,949.25
  4. Step 4: Simplify right side
    21,479.66x = 352,307,173.13
  5. Step 5: Solve for x
    x = 352,307,173.13/21,479.66
  6. Step 6: Final answer
    x = 16,401.90

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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.