Home / 18,382.88-27,574.56-5,235.28

Finding the Fourth Proportional to 18,382.88, 27,574.56 and 5,235.28

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Solution

The fourth proportional to 18,382.88, 27,574.56 and 5,235.28 is: 7,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.88 : 27,574.56 = 5,235.28 : x
  2. Step 2: Convert to fraction form
    18,382.88/27,574.56 = 5,235.28/x
  3. Step 3: Cross multiply
    18,382.88x = 27,574.56 × 5,235.28
  4. Step 4: Simplify right side
    18,382.88x = 144,360,542.48
  5. Step 5: Solve for x
    x = 144,360,542.48/18,382.88
  6. Step 6: Final answer
    x = 7,852.99

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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.