Home / 14,091.71-21,148.20-9,638.73

Finding the Fourth Proportional to 14,091.71, 21,148.20 and 9,638.73

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Solution

The fourth proportional to 14,091.71, 21,148.20 and 9,638.73 is: 14,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.71 : 21,148.20 = 9,638.73 : x
  2. Step 2: Convert to fraction form
    14,091.71/21,148.20 = 9,638.73/x
  3. Step 3: Cross multiply
    14,091.71x = 21,148.20 × 9,638.73
  4. Step 4: Simplify right side
    14,091.71x = 203,841,789.79
  5. Step 5: Solve for x
    x = 203,841,789.79/14,091.71
  6. Step 6: Final answer
    x = 14,465.37

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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.