Home / 18,377.85-27,567.72-6,690.63

Finding the Fourth Proportional to 18,377.85, 27,567.72 and 6,690.63

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Solution

The fourth proportional to 18,377.85, 27,567.72 and 6,690.63 is: 10,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.85 : 27,567.72 = 6,690.63 : x
  2. Step 2: Convert to fraction form
    18,377.85/27,567.72 = 6,690.63/x
  3. Step 3: Cross multiply
    18,377.85x = 27,567.72 × 6,690.63
  4. Step 4: Simplify right side
    18,377.85x = 184,445,414.46
  5. Step 5: Solve for x
    x = 184,445,414.46/18,377.85
  6. Step 6: Final answer
    x = 10,036.29

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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.