Home / 18,533.36-27,780.12-8,008.35

Finding the Fourth Proportional to 18,533.36, 27,780.12 and 8,008.35

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Solution

The fourth proportional to 18,533.36, 27,780.12 and 8,008.35 is: 12,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.36 : 27,780.12 = 8,008.35 : x
  2. Step 2: Convert to fraction form
    18,533.36/27,780.12 = 8,008.35/x
  3. Step 3: Cross multiply
    18,533.36x = 27,780.12 × 8,008.35
  4. Step 4: Simplify right side
    18,533.36x = 222,472,924.00
  5. Step 5: Solve for x
    x = 222,472,924.00/18,533.36
  6. Step 6: Final answer
    x = 12,003.92

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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.