Home / 20,386.14-30,579.26-5,595.26

Finding the Fourth Proportional to 20,386.14, 30,579.26 and 5,595.26

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Solution

The fourth proportional to 20,386.14, 30,579.26 and 5,595.26 is: 8,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386.14 : 30,579.26 = 5,595.26 : x
  2. Step 2: Convert to fraction form
    20,386.14/30,579.26 = 5,595.26/x
  3. Step 3: Cross multiply
    20,386.14x = 30,579.26 × 5,595.26
  4. Step 4: Simplify right side
    20,386.14x = 171,098,910.31
  5. Step 5: Solve for x
    x = 171,098,910.31/20,386.14
  6. Step 6: Final answer
    x = 8,392.90

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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.