Home / 18,659.28-25,751.63-13,935.36

Finding the Fourth Proportional to 18,659.28, 25,751.63 and 13,935.36

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Solution

The fourth proportional to 18,659.28, 25,751.63 and 13,935.36 is: 19,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.28 : 25,751.63 = 13,935.36 : x
  2. Step 2: Convert to fraction form
    18,659.28/25,751.63 = 13,935.36/x
  3. Step 3: Cross multiply
    18,659.28x = 25,751.63 × 13,935.36
  4. Step 4: Simplify right side
    18,659.28x = 358,858,164.96
  5. Step 5: Solve for x
    x = 358,858,164.96/18,659.28
  6. Step 6: Final answer
    x = 19,232.15

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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.