Home / 18,197.83-27,308.40-11,970.37

Finding the Fourth Proportional to 18,197.83, 27,308.40 and 11,970.37

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Solution

The fourth proportional to 18,197.83, 27,308.40 and 11,970.37 is: 17,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.83 : 27,308.40 = 11,970.37 : x
  2. Step 2: Convert to fraction form
    18,197.83/27,308.40 = 11,970.37/x
  3. Step 3: Cross multiply
    18,197.83x = 27,308.40 × 11,970.37
  4. Step 4: Simplify right side
    18,197.83x = 326,891,652.11
  5. Step 5: Solve for x
    x = 326,891,652.11/18,197.83
  6. Step 6: Final answer
    x = 17,963.22

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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.