Home / 13,099.83-19,638.97-7,471.19

Finding the Fourth Proportional to 13,099.83, 19,638.97 and 7,471.19

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Solution

The fourth proportional to 13,099.83, 19,638.97 and 7,471.19 is: 11,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.83 : 19,638.97 = 7,471.19 : x
  2. Step 2: Convert to fraction form
    13,099.83/19,638.97 = 7,471.19/x
  3. Step 3: Cross multiply
    13,099.83x = 19,638.97 × 7,471.19
  4. Step 4: Simplify right side
    13,099.83x = 146,726,359.40
  5. Step 5: Solve for x
    x = 146,726,359.40/13,099.83
  6. Step 6: Final answer
    x = 11,200.63

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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.