Home / 13,545.48-20,317.68-5,224.08

Finding the Fourth Proportional to 13,545.48, 20,317.68 and 5,224.08

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Solution

The fourth proportional to 13,545.48, 20,317.68 and 5,224.08 is: 7,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.48 : 20,317.68 = 5,224.08 : x
  2. Step 2: Convert to fraction form
    13,545.48/20,317.68 = 5,224.08/x
  3. Step 3: Cross multiply
    13,545.48x = 20,317.68 × 5,224.08
  4. Step 4: Simplify right side
    13,545.48x = 106,141,185.73
  5. Step 5: Solve for x
    x = 106,141,185.73/13,545.48
  6. Step 6: Final answer
    x = 7,835.91

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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.