Home / 11,711.28-16,157.03-7,461.58

Finding the Fourth Proportional to 11,711.28, 16,157.03 and 7,461.58

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Solution

The fourth proportional to 11,711.28, 16,157.03 and 7,461.58 is: 10,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.28 : 16,157.03 = 7,461.58 : x
  2. Step 2: Convert to fraction form
    11,711.28/16,157.03 = 7,461.58/x
  3. Step 3: Cross multiply
    11,711.28x = 16,157.03 × 7,461.58
  4. Step 4: Simplify right side
    11,711.28x = 120,556,954.80
  5. Step 5: Solve for x
    x = 120,556,954.80/11,711.28
  6. Step 6: Final answer
    x = 10,294.09

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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.