Home / 10,286.29-15,427.46-5,015.98

Finding the Fourth Proportional to 10,286.29, 15,427.46 and 5,015.98

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Solution

The fourth proportional to 10,286.29, 15,427.46 and 5,015.98 is: 7,523.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.29 : 15,427.46 = 5,015.98 : x
  2. Step 2: Convert to fraction form
    10,286.29/15,427.46 = 5,015.98/x
  3. Step 3: Cross multiply
    10,286.29x = 15,427.46 × 5,015.98
  4. Step 4: Simplify right side
    10,286.29x = 77,383,775.86
  5. Step 5: Solve for x
    x = 77,383,775.86/10,286.29
  6. Step 6: Final answer
    x = 7,523.00

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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.