Home / 18,278.52-27,418.86-5,798.31

Finding the Fourth Proportional to 18,278.52, 27,418.86 and 5,798.31

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Solution

The fourth proportional to 18,278.52, 27,418.86 and 5,798.31 is: 8,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.52 : 27,418.86 = 5,798.31 : x
  2. Step 2: Convert to fraction form
    18,278.52/27,418.86 = 5,798.31/x
  3. Step 3: Cross multiply
    18,278.52x = 27,418.86 × 5,798.31
  4. Step 4: Simplify right side
    18,278.52x = 158,983,050.13
  5. Step 5: Solve for x
    x = 158,983,050.13/18,278.52
  6. Step 6: Final answer
    x = 8,697.81

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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.