Home / 18,079.79-27,119.23-5,599.31

Finding the Fourth Proportional to 18,079.79, 27,119.23 and 5,599.31

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Solution

The fourth proportional to 18,079.79, 27,119.23 and 5,599.31 is: 8,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.79 : 27,119.23 = 5,599.31 : x
  2. Step 2: Convert to fraction form
    18,079.79/27,119.23 = 5,599.31/x
  3. Step 3: Cross multiply
    18,079.79x = 27,119.23 × 5,599.31
  4. Step 4: Simplify right side
    18,079.79x = 151,848,927.83
  5. Step 5: Solve for x
    x = 151,848,927.83/18,079.79
  6. Step 6: Final answer
    x = 8,398.82

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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.