Home / 11,067.05-15,271.18-6,285.28

Finding the Fourth Proportional to 11,067.05, 15,271.18 and 6,285.28

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Solution

The fourth proportional to 11,067.05, 15,271.18 and 6,285.28 is: 8,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.05 : 15,271.18 = 6,285.28 : x
  2. Step 2: Convert to fraction form
    11,067.05/15,271.18 = 6,285.28/x
  3. Step 3: Cross multiply
    11,067.05x = 15,271.18 × 6,285.28
  4. Step 4: Simplify right side
    11,067.05x = 95,983,588.34
  5. Step 5: Solve for x
    x = 95,983,588.34/11,067.05
  6. Step 6: Final answer
    x = 8,672.92

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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.