Home / 18,099.36-27,141.60-7,562.40

Finding the Fourth Proportional to 18,099.36, 27,141.60 and 7,562.40

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Solution

The fourth proportional to 18,099.36, 27,141.60 and 7,562.40 is: 11,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.36 : 27,141.60 = 7,562.40 : x
  2. Step 2: Convert to fraction form
    18,099.36/27,141.60 = 7,562.40/x
  3. Step 3: Cross multiply
    18,099.36x = 27,141.60 × 7,562.40
  4. Step 4: Simplify right side
    18,099.36x = 205,255,635.84
  5. Step 5: Solve for x
    x = 205,255,635.84/18,099.36
  6. Step 6: Final answer
    x = 11,340.49

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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.