Home / 10,181.42-15,272.12-2,785.94

Finding the Fourth Proportional to 10,181.42, 15,272.12 and 2,785.94

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Solution

The fourth proportional to 10,181.42, 15,272.12 and 2,785.94 is: 4,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.42 : 15,272.12 = 2,785.94 : x
  2. Step 2: Convert to fraction form
    10,181.42/15,272.12 = 2,785.94/x
  3. Step 3: Cross multiply
    10,181.42x = 15,272.12 × 2,785.94
  4. Step 4: Simplify right side
    10,181.42x = 42,547,275.94
  5. Step 5: Solve for x
    x = 42,547,275.94/10,181.42
  6. Step 6: Final answer
    x = 4,178.91

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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.