Home / 15,817.88-23,736-6,456.44

Finding the Fourth Proportional to 15,817.88, 23,736 and 6,456.44

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Solution

The fourth proportional to 15,817.88, 23,736 and 6,456.44 is: 9,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.88 : 23,736 = 6,456.44 : x
  2. Step 2: Convert to fraction form
    15,817.88/23,736 = 6,456.44/x
  3. Step 3: Cross multiply
    15,817.88x = 23,736 × 6,456.44
  4. Step 4: Simplify right side
    15,817.88x = 153,250,059.84
  5. Step 5: Solve for x
    x = 153,250,059.84/15,817.88
  6. Step 6: Final answer
    x = 9,688.41

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1.5x scale

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.