Home / 15,717.24-21,683.97-8,998.02

Finding the Fourth Proportional to 15,717.24, 21,683.97 and 8,998.02

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Solution

The fourth proportional to 15,717.24, 21,683.97 and 8,998.02 is: 12,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.24 : 21,683.97 = 8,998.02 : x
  2. Step 2: Convert to fraction form
    15,717.24/21,683.97 = 8,998.02/x
  3. Step 3: Cross multiply
    15,717.24x = 21,683.97 × 8,998.02
  4. Step 4: Simplify right side
    15,717.24x = 195,112,795.74
  5. Step 5: Solve for x
    x = 195,112,795.74/15,717.24
  6. Step 6: Final answer
    x = 12,413.94

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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.