Home / 13,864.48-20,796.81-5,545.20

Finding the Fourth Proportional to 13,864.48, 20,796.81 and 5,545.20

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Solution

The fourth proportional to 13,864.48, 20,796.81 and 5,545.20 is: 8,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.48 : 20,796.81 = 5,545.20 : x
  2. Step 2: Convert to fraction form
    13,864.48/20,796.81 = 5,545.20/x
  3. Step 3: Cross multiply
    13,864.48x = 20,796.81 × 5,545.20
  4. Step 4: Simplify right side
    13,864.48x = 115,322,470.81
  5. Step 5: Solve for x
    x = 115,322,470.81/13,864.48
  6. Step 6: Final answer
    x = 8,317.84

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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.