Home / 10,242.35-14,134.73-5,765.75

Finding the Fourth Proportional to 10,242.35, 14,134.73 and 5,765.75

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Solution

The fourth proportional to 10,242.35, 14,134.73 and 5,765.75 is: 7,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.35 : 14,134.73 = 5,765.75 : x
  2. Step 2: Convert to fraction form
    10,242.35/14,134.73 = 5,765.75/x
  3. Step 3: Cross multiply
    10,242.35x = 14,134.73 × 5,765.75
  4. Step 4: Simplify right side
    10,242.35x = 81,497,220.00
  5. Step 5: Solve for x
    x = 81,497,220.00/10,242.35
  6. Step 6: Final answer
    x = 7,956.89

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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.