Home / 18,306.05-25,262.16-10,239.60

Finding the Fourth Proportional to 18,306.05, 25,262.16 and 10,239.60

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Solution

The fourth proportional to 18,306.05, 25,262.16 and 10,239.60 is: 14,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.05 : 25,262.16 = 10,239.60 : x
  2. Step 2: Convert to fraction form
    18,306.05/25,262.16 = 10,239.60/x
  3. Step 3: Cross multiply
    18,306.05x = 25,262.16 × 10,239.60
  4. Step 4: Simplify right side
    18,306.05x = 258,674,413.54
  5. Step 5: Solve for x
    x = 258,674,413.54/18,306.05
  6. Step 6: Final answer
    x = 14,130.55

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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.