Home / 11,006.24-15,188.64-6,290.64

Finding the Fourth Proportional to 11,006.24, 15,188.64 and 6,290.64

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Solution

The fourth proportional to 11,006.24, 15,188.64 and 6,290.64 is: 8,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.24 : 15,188.64 = 6,290.64 : x
  2. Step 2: Convert to fraction form
    11,006.24/15,188.64 = 6,290.64/x
  3. Step 3: Cross multiply
    11,006.24x = 15,188.64 × 6,290.64
  4. Step 4: Simplify right side
    11,006.24x = 95,546,266.33
  5. Step 5: Solve for x
    x = 95,546,266.33/11,006.24
  6. Step 6: Final answer
    x = 8,681.10

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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.