Home / 13,532.56-18,687.68-12,796.28

Finding the Fourth Proportional to 13,532.56, 18,687.68 and 12,796.28

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Solution

The fourth proportional to 13,532.56, 18,687.68 and 12,796.28 is: 17,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.56 : 18,687.68 = 12,796.28 : x
  2. Step 2: Convert to fraction form
    13,532.56/18,687.68 = 12,796.28/x
  3. Step 3: Cross multiply
    13,532.56x = 18,687.68 × 12,796.28
  4. Step 4: Simplify right side
    13,532.56x = 239,132,785.83
  5. Step 5: Solve for x
    x = 239,132,785.83/13,532.56
  6. Step 6: Final answer
    x = 17,670.92

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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.