Home / 18,196.20-27,311.70-9,437.40

Finding the Fourth Proportional to 18,196.20, 27,311.70 and 9,437.40

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Solution

The fourth proportional to 18,196.20, 27,311.70 and 9,437.40 is: 14,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.20 : 27,311.70 = 9,437.40 : x
  2. Step 2: Convert to fraction form
    18,196.20/27,311.70 = 9,437.40/x
  3. Step 3: Cross multiply
    18,196.20x = 27,311.70 × 9,437.40
  4. Step 4: Simplify right side
    18,196.20x = 257,751,437.58
  5. Step 5: Solve for x
    x = 257,751,437.58/18,196.20
  6. Step 6: Final answer
    x = 14,165.12

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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.