Home / 10,181.65-15,272.94-2,785.95

Finding the Fourth Proportional to 10,181.65, 15,272.94 and 2,785.95

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Solution

The fourth proportional to 10,181.65, 15,272.94 and 2,785.95 is: 4,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.65 : 15,272.94 = 2,785.95 : x
  2. Step 2: Convert to fraction form
    10,181.65/15,272.94 = 2,785.95/x
  3. Step 3: Cross multiply
    10,181.65x = 15,272.94 × 2,785.95
  4. Step 4: Simplify right side
    10,181.65x = 42,549,647.19
  5. Step 5: Solve for x
    x = 42,549,647.19/10,181.65
  6. Step 6: Final answer
    x = 4,179.05

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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.