Home / 11,436.38-17,130.73-9,203.18

Finding the Fourth Proportional to 11,436.38, 17,130.73 and 9,203.18

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Solution

The fourth proportional to 11,436.38, 17,130.73 and 9,203.18 is: 13,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.38 : 17,130.73 = 9,203.18 : x
  2. Step 2: Convert to fraction form
    11,436.38/17,130.73 = 9,203.18/x
  3. Step 3: Cross multiply
    11,436.38x = 17,130.73 × 9,203.18
  4. Step 4: Simplify right side
    11,436.38x = 157,657,191.72
  5. Step 5: Solve for x
    x = 157,657,191.72/11,436.38
  6. Step 6: Final answer
    x = 13,785.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.