Home / 14,456.80-21,693.30-6,135.40

Finding the Fourth Proportional to 14,456.80, 21,693.30 and 6,135.40

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Solution

The fourth proportional to 14,456.80, 21,693.30 and 6,135.40 is: 9,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.80 : 21,693.30 = 6,135.40 : x
  2. Step 2: Convert to fraction form
    14,456.80/21,693.30 = 6,135.40/x
  3. Step 3: Cross multiply
    14,456.80x = 21,693.30 × 6,135.40
  4. Step 4: Simplify right side
    14,456.80x = 133,097,072.82
  5. Step 5: Solve for x
    x = 133,097,072.82/14,456.80
  6. Step 6: Final answer
    x = 9,206.54

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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.