Home / 18,279.02-27,419.61-5,798.81

Finding the Fourth Proportional to 18,279.02, 27,419.61 and 5,798.81

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Solution

The fourth proportional to 18,279.02, 27,419.61 and 5,798.81 is: 8,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.02 : 27,419.61 = 5,798.81 : x
  2. Step 2: Convert to fraction form
    18,279.02/27,419.61 = 5,798.81/x
  3. Step 3: Cross multiply
    18,279.02x = 27,419.61 × 5,798.81
  4. Step 4: Simplify right side
    18,279.02x = 159,001,108.66
  5. Step 5: Solve for x
    x = 159,001,108.66/18,279.02
  6. Step 6: Final answer
    x = 8,698.56

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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.