Home / 9,213.68-13,820.26-2,288.16

Finding the Fourth Proportional to 9,213.68, 13,820.26 and 2,288.16

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Solution

The fourth proportional to 9,213.68, 13,820.26 and 2,288.16 is: 3,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.68 : 13,820.26 = 2,288.16 : x
  2. Step 2: Convert to fraction form
    9,213.68/13,820.26 = 2,288.16/x
  3. Step 3: Cross multiply
    9,213.68x = 13,820.26 × 2,288.16
  4. Step 4: Simplify right side
    9,213.68x = 31,622,966.12
  5. Step 5: Solve for x
    x = 31,622,966.12/9,213.68
  6. Step 6: Final answer
    x = 3,432.18

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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.