Home / 14,188.68-21,280.59-3,798

Finding the Fourth Proportional to 14,188.68, 21,280.59 and 3,798

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Solution

The fourth proportional to 14,188.68, 21,280.59 and 3,798 is: 5,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.68 : 21,280.59 = 3,798 : x
  2. Step 2: Convert to fraction form
    14,188.68/21,280.59 = 3,798/x
  3. Step 3: Cross multiply
    14,188.68x = 21,280.59 × 3,798
  4. Step 4: Simplify right side
    14,188.68x = 80,823,680.82
  5. Step 5: Solve for x
    x = 80,823,680.82/14,188.68
  6. Step 6: Final answer
    x = 5,696.35

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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.