Home / 11,211.38-15,468.22-6,365.30

Finding the Fourth Proportional to 11,211.38, 15,468.22 and 6,365.30

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Solution

The fourth proportional to 11,211.38, 15,468.22 and 6,365.30 is: 8,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.38 : 15,468.22 = 6,365.30 : x
  2. Step 2: Convert to fraction form
    11,211.38/15,468.22 = 6,365.30/x
  3. Step 3: Cross multiply
    11,211.38x = 15,468.22 × 6,365.30
  4. Step 4: Simplify right side
    11,211.38x = 98,459,860.77
  5. Step 5: Solve for x
    x = 98,459,860.77/11,211.38
  6. Step 6: Final answer
    x = 8,782.14

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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.