Home / 11,124.90-16,660.35-5,919.30

Finding the Fourth Proportional to 11,124.90, 16,660.35 and 5,919.30

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Solution

The fourth proportional to 11,124.90, 16,660.35 and 5,919.30 is: 8,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.90 : 16,660.35 = 5,919.30 : x
  2. Step 2: Convert to fraction form
    11,124.90/16,660.35 = 5,919.30/x
  3. Step 3: Cross multiply
    11,124.90x = 16,660.35 × 5,919.30
  4. Step 4: Simplify right side
    11,124.90x = 98,617,609.76
  5. Step 5: Solve for x
    x = 98,617,609.76/11,124.90
  6. Step 6: Final answer
    x = 8,864.58

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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.