Home / 18,239.72-27,359.76-5,759.51

Finding the Fourth Proportional to 18,239.72, 27,359.76 and 5,759.51

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Solution

The fourth proportional to 18,239.72, 27,359.76 and 5,759.51 is: 8,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.72 : 27,359.76 = 5,759.51 : x
  2. Step 2: Convert to fraction form
    18,239.72/27,359.76 = 5,759.51/x
  3. Step 3: Cross multiply
    18,239.72x = 27,359.76 × 5,759.51
  4. Step 4: Simplify right side
    18,239.72x = 157,578,811.32
  5. Step 5: Solve for x
    x = 157,578,811.32/18,239.72
  6. Step 6: Final answer
    x = 8,639.32

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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.