Home / 13,694.65-20,545.05-4,335.23

Finding the Fourth Proportional to 13,694.65, 20,545.05 and 4,335.23

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Solution

The fourth proportional to 13,694.65, 20,545.05 and 4,335.23 is: 6,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.65 : 20,545.05 = 4,335.23 : x
  2. Step 2: Convert to fraction form
    13,694.65/20,545.05 = 4,335.23/x
  3. Step 3: Cross multiply
    13,694.65x = 20,545.05 × 4,335.23
  4. Step 4: Simplify right side
    13,694.65x = 89,067,394.06
  5. Step 5: Solve for x
    x = 89,067,394.06/13,694.65
  6. Step 6: Final answer
    x = 6,503.81

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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.