Home / 13,968.66-20,966.75-10,260.48

Finding the Fourth Proportional to 13,968.66, 20,966.75 and 10,260.48

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Solution

The fourth proportional to 13,968.66, 20,966.75 and 10,260.48 is: 15,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.66 : 20,966.75 = 10,260.48 : x
  2. Step 2: Convert to fraction form
    13,968.66/20,966.75 = 10,260.48/x
  3. Step 3: Cross multiply
    13,968.66x = 20,966.75 × 10,260.48
  4. Step 4: Simplify right side
    13,968.66x = 215,128,839.86
  5. Step 5: Solve for x
    x = 215,128,839.86/13,968.66
  6. Step 6: Final answer
    x = 15,400.83

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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.