Home / 18,445.08-27,667.70-6,758.30

Finding the Fourth Proportional to 18,445.08, 27,667.70 and 6,758.30

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Solution

The fourth proportional to 18,445.08, 27,667.70 and 6,758.30 is: 10,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.08 : 27,667.70 = 6,758.30 : x
  2. Step 2: Convert to fraction form
    18,445.08/27,667.70 = 6,758.30/x
  3. Step 3: Cross multiply
    18,445.08x = 27,667.70 × 6,758.30
  4. Step 4: Simplify right side
    18,445.08x = 186,986,677.63
  5. Step 5: Solve for x
    x = 186,986,677.63/18,445.08
  6. Step 6: Final answer
    x = 10,137.48

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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.