Home / 19,595.85-29,393.78-13,778.43

Finding the Fourth Proportional to 19,595.85, 29,393.78 and 13,778.43

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Solution

The fourth proportional to 19,595.85, 29,393.78 and 13,778.43 is: 20,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.85 : 29,393.78 = 13,778.43 : x
  2. Step 2: Convert to fraction form
    19,595.85/29,393.78 = 13,778.43/x
  3. Step 3: Cross multiply
    19,595.85x = 29,393.78 × 13,778.43
  4. Step 4: Simplify right side
    19,595.85x = 405,000,140.17
  5. Step 5: Solve for x
    x = 405,000,140.17/19,595.85
  6. Step 6: Final answer
    x = 20,667.65

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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.