Home / 15,833.97-21,851.03-8,760.54

Finding the Fourth Proportional to 15,833.97, 21,851.03 and 8,760.54

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Solution

The fourth proportional to 15,833.97, 21,851.03 and 8,760.54 is: 12,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833.97 : 21,851.03 = 8,760.54 : x
  2. Step 2: Convert to fraction form
    15,833.97/21,851.03 = 8,760.54/x
  3. Step 3: Cross multiply
    15,833.97x = 21,851.03 × 8,760.54
  4. Step 4: Simplify right side
    15,833.97x = 191,426,822.36
  5. Step 5: Solve for x
    x = 191,426,822.36/15,833.97
  6. Step 6: Final answer
    x = 12,089.63

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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.