Home / 10,119.82-15,176.08-4,276.89

Finding the Fourth Proportional to 10,119.82, 15,176.08 and 4,276.89

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Solution

The fourth proportional to 10,119.82, 15,176.08 and 4,276.89 is: 6,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.82 : 15,176.08 = 4,276.89 : x
  2. Step 2: Convert to fraction form
    10,119.82/15,176.08 = 4,276.89/x
  3. Step 3: Cross multiply
    10,119.82x = 15,176.08 × 4,276.89
  4. Step 4: Simplify right side
    10,119.82x = 64,906,424.79
  5. Step 5: Solve for x
    x = 64,906,424.79/10,119.82
  6. Step 6: Final answer
    x = 6,413.79

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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.