Home / 11,100.99-15,320.97-6,624.93

Finding the Fourth Proportional to 11,100.99, 15,320.97 and 6,624.93

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Solution

The fourth proportional to 11,100.99, 15,320.97 and 6,624.93 is: 9,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.99 : 15,320.97 = 6,624.93 : x
  2. Step 2: Convert to fraction form
    11,100.99/15,320.97 = 6,624.93/x
  3. Step 3: Cross multiply
    11,100.99x = 15,320.97 × 6,624.93
  4. Step 4: Simplify right side
    11,100.99x = 101,500,353.78
  5. Step 5: Solve for x
    x = 101,500,353.78/11,100.99
  6. Step 6: Final answer
    x = 9,143.36

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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.