Home / 14,180.82-21,272.40-4,320.18

Finding the Fourth Proportional to 14,180.82, 21,272.40 and 4,320.18

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Solution

The fourth proportional to 14,180.82, 21,272.40 and 4,320.18 is: 6,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.82 : 21,272.40 = 4,320.18 : x
  2. Step 2: Convert to fraction form
    14,180.82/21,272.40 = 4,320.18/x
  3. Step 3: Cross multiply
    14,180.82x = 21,272.40 × 4,320.18
  4. Step 4: Simplify right side
    14,180.82x = 91,900,597.03
  5. Step 5: Solve for x
    x = 91,900,597.03/14,180.82
  6. Step 6: Final answer
    x = 6,480.63

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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.