Home / 12,400.48-17,112.54-6,735.28

Finding the Fourth Proportional to 12,400.48, 17,112.54 and 6,735.28

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Solution

The fourth proportional to 12,400.48, 17,112.54 and 6,735.28 is: 9,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.48 : 17,112.54 = 6,735.28 : x
  2. Step 2: Convert to fraction form
    12,400.48/17,112.54 = 6,735.28/x
  3. Step 3: Cross multiply
    12,400.48x = 17,112.54 × 6,735.28
  4. Step 4: Simplify right side
    12,400.48x = 115,257,748.41
  5. Step 5: Solve for x
    x = 115,257,748.41/12,400.48
  6. Step 6: Final answer
    x = 9,294.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.