Home / 19,615.46-29,413.94-7,126.68

Finding the Fourth Proportional to 19,615.46, 29,413.94 and 7,126.68

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Solution

The fourth proportional to 19,615.46, 29,413.94 and 7,126.68 is: 10,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.46 : 29,413.94 = 7,126.68 : x
  2. Step 2: Convert to fraction form
    19,615.46/29,413.94 = 7,126.68/x
  3. Step 3: Cross multiply
    19,615.46x = 29,413.94 × 7,126.68
  4. Step 4: Simplify right side
    19,615.46x = 209,623,737.92
  5. Step 5: Solve for x
    x = 209,623,737.92/19,615.46
  6. Step 6: Final answer
    x = 10,686.66

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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.