Home / 18,426.93-27,639.06-6,579.36

Finding the Fourth Proportional to 18,426.93, 27,639.06 and 6,579.36

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Solution

The fourth proportional to 18,426.93, 27,639.06 and 6,579.36 is: 9,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.93 : 27,639.06 = 6,579.36 : x
  2. Step 2: Convert to fraction form
    18,426.93/27,639.06 = 6,579.36/x
  3. Step 3: Cross multiply
    18,426.93x = 27,639.06 × 6,579.36
  4. Step 4: Simplify right side
    18,426.93x = 181,847,325.80
  5. Step 5: Solve for x
    x = 181,847,325.80/18,426.93
  6. Step 6: Final answer
    x = 9,868.56

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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.