Home / 10,239.60-14,131.11-5,764.89

Finding the Fourth Proportional to 10,239.60, 14,131.11 and 5,764.89

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Solution

The fourth proportional to 10,239.60, 14,131.11 and 5,764.89 is: 7,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.60 : 14,131.11 = 5,764.89 : x
  2. Step 2: Convert to fraction form
    10,239.60/14,131.11 = 5,764.89/x
  3. Step 3: Cross multiply
    10,239.60x = 14,131.11 × 5,764.89
  4. Step 4: Simplify right side
    10,239.60x = 81,464,294.73
  5. Step 5: Solve for x
    x = 81,464,294.73/10,239.60
  6. Step 6: Final answer
    x = 7,955.81

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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.