Home / 10,081.29-15,110.72-7,608.09

Finding the Fourth Proportional to 10,081.29, 15,110.72 and 7,608.09

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Solution

The fourth proportional to 10,081.29, 15,110.72 and 7,608.09 is: 11,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.29 : 15,110.72 = 7,608.09 : x
  2. Step 2: Convert to fraction form
    10,081.29/15,110.72 = 7,608.09/x
  3. Step 3: Cross multiply
    10,081.29x = 15,110.72 × 7,608.09
  4. Step 4: Simplify right side
    10,081.29x = 114,963,661.19
  5. Step 5: Solve for x
    x = 114,963,661.19/10,081.29
  6. Step 6: Final answer
    x = 11,403.67

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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.