Home / 10,120.37-15,181.16-4,275

Finding the Fourth Proportional to 10,120.37, 15,181.16 and 4,275

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Solution

The fourth proportional to 10,120.37, 15,181.16 and 4,275 is: 6,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.37 : 15,181.16 = 4,275 : x
  2. Step 2: Convert to fraction form
    10,120.37/15,181.16 = 4,275/x
  3. Step 3: Cross multiply
    10,120.37x = 15,181.16 × 4,275
  4. Step 4: Simplify right side
    10,120.37x = 64,899,437.63
  5. Step 5: Solve for x
    x = 64,899,437.63/10,120.37
  6. Step 6: Final answer
    x = 6,412.76

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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.