Home / 18,411.93-27,618.78-5,266.23

Finding the Fourth Proportional to 18,411.93, 27,618.78 and 5,266.23

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Solution

The fourth proportional to 18,411.93, 27,618.78 and 5,266.23 is: 7,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.93 : 27,618.78 = 5,266.23 : x
  2. Step 2: Convert to fraction form
    18,411.93/27,618.78 = 5,266.23/x
  3. Step 3: Cross multiply
    18,411.93x = 27,618.78 × 5,266.23
  4. Step 4: Simplify right side
    18,411.93x = 145,446,847.80
  5. Step 5: Solve for x
    x = 145,446,847.80/18,411.93
  6. Step 6: Final answer
    x = 7,899.60

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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.