Home / 18,410.88-27,617.76-5,263.20

Finding the Fourth Proportional to 18,410.88, 27,617.76 and 5,263.20

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Solution

The fourth proportional to 18,410.88, 27,617.76 and 5,263.20 is: 7,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.88 : 27,617.76 = 5,263.20 : x
  2. Step 2: Convert to fraction form
    18,410.88/27,617.76 = 5,263.20/x
  3. Step 3: Cross multiply
    18,410.88x = 27,617.76 × 5,263.20
  4. Step 4: Simplify right side
    18,410.88x = 145,357,794.43
  5. Step 5: Solve for x
    x = 145,357,794.43/18,410.88
  6. Step 6: Final answer
    x = 7,895.21

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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.