Home / 18,259.72-27,386.82-5,778.11

Finding the Fourth Proportional to 18,259.72, 27,386.82 and 5,778.11

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Solution

The fourth proportional to 18,259.72, 27,386.82 and 5,778.11 is: 8,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.72 : 27,386.82 = 5,778.11 : x
  2. Step 2: Convert to fraction form
    18,259.72/27,386.82 = 5,778.11/x
  3. Step 3: Cross multiply
    18,259.72x = 27,386.82 × 5,778.11
  4. Step 4: Simplify right side
    18,259.72x = 158,244,126.98
  5. Step 5: Solve for x
    x = 158,244,126.98/18,259.72
  6. Step 6: Final answer
    x = 8,666.30

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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.