Home / 15,381.32-21,226.42-9,093.64

Finding the Fourth Proportional to 15,381.32, 21,226.42 and 9,093.64

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Solution

The fourth proportional to 15,381.32, 21,226.42 and 9,093.64 is: 12,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.32 : 21,226.42 = 9,093.64 : x
  2. Step 2: Convert to fraction form
    15,381.32/21,226.42 = 9,093.64/x
  3. Step 3: Cross multiply
    15,381.32x = 21,226.42 × 9,093.64
  4. Step 4: Simplify right side
    15,381.32x = 193,025,421.97
  5. Step 5: Solve for x
    x = 193,025,421.97/15,381.32
  6. Step 6: Final answer
    x = 12,549.34

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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.