Home / 20,380.19-30,569.57-5,588.87

Finding the Fourth Proportional to 20,380.19, 30,569.57 and 5,588.87

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Solution

The fourth proportional to 20,380.19, 30,569.57 and 5,588.87 is: 8,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,380.19 : 30,569.57 = 5,588.87 : x
  2. Step 2: Convert to fraction form
    20,380.19/30,569.57 = 5,588.87/x
  3. Step 3: Cross multiply
    20,380.19x = 30,569.57 × 5,588.87
  4. Step 4: Simplify right side
    20,380.19x = 170,849,324.74
  5. Step 5: Solve for x
    x = 170,849,324.74/20,380.19
  6. Step 6: Final answer
    x = 8,383.11

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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.