Home / 9,181.27-12,669.65-5,202.30

Finding the Fourth Proportional to 9,181.27, 12,669.65 and 5,202.30

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Solution

The fourth proportional to 9,181.27, 12,669.65 and 5,202.30 is: 7,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.27 : 12,669.65 = 5,202.30 : x
  2. Step 2: Convert to fraction form
    9,181.27/12,669.65 = 5,202.30/x
  3. Step 3: Cross multiply
    9,181.27x = 12,669.65 × 5,202.30
  4. Step 4: Simplify right side
    9,181.27x = 65,911,256.85
  5. Step 5: Solve for x
    x = 65,911,256.85/9,181.27
  6. Step 6: Final answer
    x = 7,178.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.