Home / 11,711.79-16,157.73-7,462.09

Finding the Fourth Proportional to 11,711.79, 16,157.73 and 7,462.09

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Solution

The fourth proportional to 11,711.79, 16,157.73 and 7,462.09 is: 10,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.79 : 16,157.73 = 7,462.09 : x
  2. Step 2: Convert to fraction form
    11,711.79/16,157.73 = 7,462.09/x
  3. Step 3: Cross multiply
    11,711.79x = 16,157.73 × 7,462.09
  4. Step 4: Simplify right side
    11,711.79x = 120,570,435.46
  5. Step 5: Solve for x
    x = 120,570,435.46/11,711.79
  6. Step 6: Final answer
    x = 10,294.79

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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.