Home / 10,167.76-15,252.78-5,784.04

Finding the Fourth Proportional to 10,167.76, 15,252.78 and 5,784.04

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Solution

The fourth proportional to 10,167.76, 15,252.78 and 5,784.04 is: 8,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.76 : 15,252.78 = 5,784.04 : x
  2. Step 2: Convert to fraction form
    10,167.76/15,252.78 = 5,784.04/x
  3. Step 3: Cross multiply
    10,167.76x = 15,252.78 × 5,784.04
  4. Step 4: Simplify right side
    10,167.76x = 88,222,689.63
  5. Step 5: Solve for x
    x = 88,222,689.63/10,167.76
  6. Step 6: Final answer
    x = 8,676.71

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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.