Home / 13,349.76-19,999.80-10,413.96

Finding the Fourth Proportional to 13,349.76, 19,999.80 and 10,413.96

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Solution

The fourth proportional to 13,349.76, 19,999.80 and 10,413.96 is: 15,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.76 : 19,999.80 = 10,413.96 : x
  2. Step 2: Convert to fraction form
    13,349.76/19,999.80 = 10,413.96/x
  3. Step 3: Cross multiply
    13,349.76x = 19,999.80 × 10,413.96
  4. Step 4: Simplify right side
    13,349.76x = 208,277,117.21
  5. Step 5: Solve for x
    x = 208,277,117.21/13,349.76
  6. Step 6: Final answer
    x = 15,601.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.