Home / 11,274.12-15,560.26-9,383.16

Finding the Fourth Proportional to 11,274.12, 15,560.26 and 9,383.16

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Solution

The fourth proportional to 11,274.12, 15,560.26 and 9,383.16 is: 12,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.12 : 15,560.26 = 9,383.16 : x
  2. Step 2: Convert to fraction form
    11,274.12/15,560.26 = 9,383.16/x
  3. Step 3: Cross multiply
    11,274.12x = 15,560.26 × 9,383.16
  4. Step 4: Simplify right side
    11,274.12x = 146,004,409.22
  5. Step 5: Solve for x
    x = 146,004,409.22/11,274.12
  6. Step 6: Final answer
    x = 12,950.40

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Double 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.