Home / 14,147.93-21,227.36-4,287.29

Finding the Fourth Proportional to 14,147.93, 21,227.36 and 4,287.29

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Solution

The fourth proportional to 14,147.93, 21,227.36 and 4,287.29 is: 6,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.93 : 21,227.36 = 4,287.29 : x
  2. Step 2: Convert to fraction form
    14,147.93/21,227.36 = 4,287.29/x
  3. Step 3: Cross multiply
    14,147.93x = 21,227.36 × 4,287.29
  4. Step 4: Simplify right side
    14,147.93x = 91,007,848.25
  5. Step 5: Solve for x
    x = 91,007,848.25/14,147.93
  6. Step 6: Final answer
    x = 6,432.59

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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.