Home / 14,480.86-21,723.08-5,118.95

Finding the Fourth Proportional to 14,480.86, 21,723.08 and 5,118.95

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Solution

The fourth proportional to 14,480.86, 21,723.08 and 5,118.95 is: 7,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.86 : 21,723.08 = 5,118.95 : x
  2. Step 2: Convert to fraction form
    14,480.86/21,723.08 = 5,118.95/x
  3. Step 3: Cross multiply
    14,480.86x = 21,723.08 × 5,118.95
  4. Step 4: Simplify right side
    14,480.86x = 111,199,226.16
  5. Step 5: Solve for x
    x = 111,199,226.16/14,480.86
  6. Step 6: Final answer
    x = 7,679.05

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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.