Home / 13,545.02-20,317.94-3,684.51

Finding the Fourth Proportional to 13,545.02, 20,317.94 and 3,684.51

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Solution

The fourth proportional to 13,545.02, 20,317.94 and 3,684.51 is: 5,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.02 : 20,317.94 = 3,684.51 : x
  2. Step 2: Convert to fraction form
    13,545.02/20,317.94 = 3,684.51/x
  3. Step 3: Cross multiply
    13,545.02x = 20,317.94 × 3,684.51
  4. Step 4: Simplify right side
    13,545.02x = 74,861,634.69
  5. Step 5: Solve for x
    x = 74,861,634.69/13,545.02
  6. Step 6: Final answer
    x = 5,526.88

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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.