Home / 18,280.17-27,399.23-8,398.69

Finding the Fourth Proportional to 18,280.17, 27,399.23 and 8,398.69

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Solution

The fourth proportional to 18,280.17, 27,399.23 and 8,398.69 is: 12,588.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.17 : 27,399.23 = 8,398.69 : x
  2. Step 2: Convert to fraction form
    18,280.17/27,399.23 = 8,398.69/x
  3. Step 3: Cross multiply
    18,280.17x = 27,399.23 × 8,398.69
  4. Step 4: Simplify right side
    18,280.17x = 230,117,639.01
  5. Step 5: Solve for x
    x = 230,117,639.01/18,280.17
  6. Step 6: Final answer
    x = 12,588.38

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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.