Home / 11,100.83-15,318.47-6,624.54

Finding the Fourth Proportional to 11,100.83, 15,318.47 and 6,624.54

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Solution

The fourth proportional to 11,100.83, 15,318.47 and 6,624.54 is: 9,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.83 : 15,318.47 = 6,624.54 : x
  2. Step 2: Convert to fraction form
    11,100.83/15,318.47 = 6,624.54/x
  3. Step 3: Cross multiply
    11,100.83x = 15,318.47 × 6,624.54
  4. Step 4: Simplify right side
    11,100.83x = 101,477,833.82
  5. Step 5: Solve for x
    x = 101,477,833.82/11,100.83
  6. Step 6: Final answer
    x = 9,141.47

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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.