Home / 15,413.13-23,119.70-4,882.59

Finding the Fourth Proportional to 15,413.13, 23,119.70 and 4,882.59

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Solution

The fourth proportional to 15,413.13, 23,119.70 and 4,882.59 is: 7,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.13 : 23,119.70 = 4,882.59 : x
  2. Step 2: Convert to fraction form
    15,413.13/23,119.70 = 4,882.59/x
  3. Step 3: Cross multiply
    15,413.13x = 23,119.70 × 4,882.59
  4. Step 4: Simplify right side
    15,413.13x = 112,883,991.61
  5. Step 5: Solve for x
    x = 112,883,991.61/15,413.13
  6. Step 6: Final answer
    x = 7,323.89

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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.