Home / 10,183.29-15,277.48-7,187.18

Finding the Fourth Proportional to 10,183.29, 15,277.48 and 7,187.18

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Solution

The fourth proportional to 10,183.29, 15,277.48 and 7,187.18 is: 10,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.29 : 15,277.48 = 7,187.18 : x
  2. Step 2: Convert to fraction form
    10,183.29/15,277.48 = 7,187.18/x
  3. Step 3: Cross multiply
    10,183.29x = 15,277.48 × 7,187.18
  4. Step 4: Simplify right side
    10,183.29x = 109,801,904.35
  5. Step 5: Solve for x
    x = 109,801,904.35/10,183.29
  6. Step 6: Final answer
    x = 10,782.56

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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.