Home / 11,509.35-15,883.17-6,404.92

Finding the Fourth Proportional to 11,509.35, 15,883.17 and 6,404.92

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Solution

The fourth proportional to 11,509.35, 15,883.17 and 6,404.92 is: 8,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.35 : 15,883.17 = 6,404.92 : x
  2. Step 2: Convert to fraction form
    11,509.35/15,883.17 = 6,404.92/x
  3. Step 3: Cross multiply
    11,509.35x = 15,883.17 × 6,404.92
  4. Step 4: Simplify right side
    11,509.35x = 101,730,433.20
  5. Step 5: Solve for x
    x = 101,730,433.20/11,509.35
  6. Step 6: Final answer
    x = 8,838.94

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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.