Home / 14,167.21-19,550.75-7,793.89

Finding the Fourth Proportional to 14,167.21, 19,550.75 and 7,793.89

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Solution

The fourth proportional to 14,167.21, 19,550.75 and 7,793.89 is: 10,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.21 : 19,550.75 = 7,793.89 : x
  2. Step 2: Convert to fraction form
    14,167.21/19,550.75 = 7,793.89/x
  3. Step 3: Cross multiply
    14,167.21x = 19,550.75 × 7,793.89
  4. Step 4: Simplify right side
    14,167.21x = 152,376,394.92
  5. Step 5: Solve for x
    x = 152,376,394.92/14,167.21
  6. Step 6: Final answer
    x = 10,755.57

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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.