Home / 11,454.08-15,807.08-6,418.34

Finding the Fourth Proportional to 11,454.08, 15,807.08 and 6,418.34

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Solution

The fourth proportional to 11,454.08, 15,807.08 and 6,418.34 is: 8,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.08 : 15,807.08 = 6,418.34 : x
  2. Step 2: Convert to fraction form
    11,454.08/15,807.08 = 6,418.34/x
  3. Step 3: Cross multiply
    11,454.08x = 15,807.08 × 6,418.34
  4. Step 4: Simplify right side
    11,454.08x = 101,455,213.85
  5. Step 5: Solve for x
    x = 101,455,213.85/11,454.08
  6. Step 6: Final answer
    x = 8,857.56

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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.