Home / 11,604.38-15,999.08-9,477.68

Finding the Fourth Proportional to 11,604.38, 15,999.08 and 9,477.68

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Solution

The fourth proportional to 11,604.38, 15,999.08 and 9,477.68 is: 13,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,604.38 : 15,999.08 = 9,477.68 : x
  2. Step 2: Convert to fraction form
    11,604.38/15,999.08 = 9,477.68/x
  3. Step 3: Cross multiply
    11,604.38x = 15,999.08 × 9,477.68
  4. Step 4: Simplify right side
    11,604.38x = 151,634,033.15
  5. Step 5: Solve for x
    x = 151,634,033.15/11,604.38
  6. Step 6: Final answer
    x = 13,066.97

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Half scale
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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.