Home / 17,640.81-24,343.61-10,571.13

Finding the Fourth Proportional to 17,640.81, 24,343.61 and 10,571.13

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Solution

The fourth proportional to 17,640.81, 24,343.61 and 10,571.13 is: 14,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.81 : 24,343.61 = 10,571.13 : x
  2. Step 2: Convert to fraction form
    17,640.81/24,343.61 = 10,571.13/x
  3. Step 3: Cross multiply
    17,640.81x = 24,343.61 × 10,571.13
  4. Step 4: Simplify right side
    17,640.81x = 257,339,413.12
  5. Step 5: Solve for x
    x = 257,339,413.12/17,640.81
  6. Step 6: Final answer
    x = 14,587.73

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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.