Home / 14,135.93-19,509.48-8,167.85

Finding the Fourth Proportional to 14,135.93, 19,509.48 and 8,167.85

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Solution

The fourth proportional to 14,135.93, 19,509.48 and 8,167.85 is: 11,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.93 : 19,509.48 = 8,167.85 : x
  2. Step 2: Convert to fraction form
    14,135.93/19,509.48 = 8,167.85/x
  3. Step 3: Cross multiply
    14,135.93x = 19,509.48 × 8,167.85
  4. Step 4: Simplify right side
    14,135.93x = 159,350,408.67
  5. Step 5: Solve for x
    x = 159,350,408.67/14,135.93
  6. Step 6: Final answer
    x = 11,272.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.