Home / 10,277.31-15,325.73-10,183.76

Finding the Fourth Proportional to 10,277.31, 15,325.73 and 10,183.76

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Solution

The fourth proportional to 10,277.31, 15,325.73 and 10,183.76 is: 15,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.31 : 15,325.73 = 10,183.76 : x
  2. Step 2: Convert to fraction form
    10,277.31/15,325.73 = 10,183.76/x
  3. Step 3: Cross multiply
    10,277.31x = 15,325.73 × 10,183.76
  4. Step 4: Simplify right side
    10,277.31x = 156,073,428.60
  5. Step 5: Solve for x
    x = 156,073,428.60/10,277.31
  6. Step 6: Final answer
    x = 15,186.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.