Home / 10,018.89-15,037.41-5,342.82

Finding the Fourth Proportional to 10,018.89, 15,037.41 and 5,342.82

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Solution

The fourth proportional to 10,018.89, 15,037.41 and 5,342.82 is: 8,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.89 : 15,037.41 = 5,342.82 : x
  2. Step 2: Convert to fraction form
    10,018.89/15,037.41 = 5,342.82/x
  3. Step 3: Cross multiply
    10,018.89x = 15,037.41 × 5,342.82
  4. Step 4: Simplify right side
    10,018.89x = 80,342,174.90
  5. Step 5: Solve for x
    x = 80,342,174.90/10,018.89
  6. Step 6: Final answer
    x = 8,019.07

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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.