Home / 11,020.64-16,606.72-9,115.52

Finding the Fourth Proportional to 11,020.64, 16,606.72 and 9,115.52

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Solution

The fourth proportional to 11,020.64, 16,606.72 and 9,115.52 is: 13,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.64 : 16,606.72 = 9,115.52 : x
  2. Step 2: Convert to fraction form
    11,020.64/16,606.72 = 9,115.52/x
  3. Step 3: Cross multiply
    11,020.64x = 16,606.72 × 9,115.52
  4. Step 4: Simplify right side
    11,020.64x = 151,378,888.29
  5. Step 5: Solve for x
    x = 151,378,888.29/11,020.64
  6. Step 6: Final answer
    x = 13,735.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.