Home / 14,405.83-21,593.95-5,519.08

Finding the Fourth Proportional to 14,405.83, 21,593.95 and 5,519.08

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Solution

The fourth proportional to 14,405.83, 21,593.95 and 5,519.08 is: 8,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.83 : 21,593.95 = 5,519.08 : x
  2. Step 2: Convert to fraction form
    14,405.83/21,593.95 = 5,519.08/x
  3. Step 3: Cross multiply
    14,405.83x = 21,593.95 × 5,519.08
  4. Step 4: Simplify right side
    14,405.83x = 119,178,737.57
  5. Step 5: Solve for x
    x = 119,178,737.57/14,405.83
  6. Step 6: Final answer
    x = 8,272.95

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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.