Home / 14,179.95-21,272.96-4,320.02

Finding the Fourth Proportional to 14,179.95, 21,272.96 and 4,320.02

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Solution

The fourth proportional to 14,179.95, 21,272.96 and 4,320.02 is: 6,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.95 : 21,272.96 = 4,320.02 : x
  2. Step 2: Convert to fraction form
    14,179.95/21,272.96 = 4,320.02/x
  3. Step 3: Cross multiply
    14,179.95x = 21,272.96 × 4,320.02
  4. Step 4: Simplify right side
    14,179.95x = 91,899,484.69
  5. Step 5: Solve for x
    x = 91,899,484.69/14,179.95
  6. Step 6: Final answer
    x = 6,480.95

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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.