Home / 15,683.73-21,643.92-8,610.27

Finding the Fourth Proportional to 15,683.73, 21,643.92 and 8,610.27

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Solution

The fourth proportional to 15,683.73, 21,643.92 and 8,610.27 is: 11,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683.73 : 21,643.92 = 8,610.27 : x
  2. Step 2: Convert to fraction form
    15,683.73/21,643.92 = 8,610.27/x
  3. Step 3: Cross multiply
    15,683.73x = 21,643.92 × 8,610.27
  4. Step 4: Simplify right side
    15,683.73x = 186,359,995.06
  5. Step 5: Solve for x
    x = 186,359,995.06/15,683.73
  6. Step 6: Final answer
    x = 11,882.38

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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.