Home / 10,611.28-15,919.41-10,434.97

Finding the Fourth Proportional to 10,611.28, 15,919.41 and 10,434.97

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Solution

The fourth proportional to 10,611.28, 15,919.41 and 10,434.97 is: 15,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.28 : 15,919.41 = 10,434.97 : x
  2. Step 2: Convert to fraction form
    10,611.28/15,919.41 = 10,434.97/x
  3. Step 3: Cross multiply
    10,611.28x = 15,919.41 × 10,434.97
  4. Step 4: Simplify right side
    10,611.28x = 166,118,565.77
  5. Step 5: Solve for x
    x = 166,118,565.77/10,611.28
  6. Step 6: Final answer
    x = 15,654.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.