Home / 18,285.02-27,422.09-7,754.89

Finding the Fourth Proportional to 18,285.02, 27,422.09 and 7,754.89

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Solution

The fourth proportional to 18,285.02, 27,422.09 and 7,754.89 is: 11,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.02 : 27,422.09 = 7,754.89 : x
  2. Step 2: Convert to fraction form
    18,285.02/27,422.09 = 7,754.89/x
  3. Step 3: Cross multiply
    18,285.02x = 27,422.09 × 7,754.89
  4. Step 4: Simplify right side
    18,285.02x = 212,655,308.31
  5. Step 5: Solve for x
    x = 212,655,308.31/18,285.02
  6. Step 6: Final answer
    x = 11,630.03

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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.