Home / 14,333.85-19,781.96-7,961.67

Finding the Fourth Proportional to 14,333.85, 19,781.96 and 7,961.67

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Solution

The fourth proportional to 14,333.85, 19,781.96 and 7,961.67 is: 10,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,333.85 : 19,781.96 = 7,961.67 : x
  2. Step 2: Convert to fraction form
    14,333.85/19,781.96 = 7,961.67/x
  3. Step 3: Cross multiply
    14,333.85x = 19,781.96 × 7,961.67
  4. Step 4: Simplify right side
    14,333.85x = 157,497,397.66
  5. Step 5: Solve for x
    x = 157,497,397.66/14,333.85
  6. Step 6: Final answer
    x = 10,987.79

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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.