Home / 18,355.48-27,534.36-5,208.88

Finding the Fourth Proportional to 18,355.48, 27,534.36 and 5,208.88

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Solution

The fourth proportional to 18,355.48, 27,534.36 and 5,208.88 is: 7,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.48 : 27,534.36 = 5,208.88 : x
  2. Step 2: Convert to fraction form
    18,355.48/27,534.36 = 5,208.88/x
  3. Step 3: Cross multiply
    18,355.48x = 27,534.36 × 5,208.88
  4. Step 4: Simplify right side
    18,355.48x = 143,423,177.12
  5. Step 5: Solve for x
    x = 143,423,177.12/18,355.48
  6. Step 6: Final answer
    x = 7,813.64

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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.