Home / 15,728.26-21,706.05-10,413.94

Finding the Fourth Proportional to 15,728.26, 21,706.05 and 10,413.94

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Solution

The fourth proportional to 15,728.26, 21,706.05 and 10,413.94 is: 14,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.26 : 21,706.05 = 10,413.94 : x
  2. Step 2: Convert to fraction form
    15,728.26/21,706.05 = 10,413.94/x
  3. Step 3: Cross multiply
    15,728.26x = 21,706.05 × 10,413.94
  4. Step 4: Simplify right side
    15,728.26x = 226,045,502.34
  5. Step 5: Solve for x
    x = 226,045,502.34/15,728.26
  6. Step 6: Final answer
    x = 14,371.93

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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.