Home / 13,564.32-20,345.33-4,204.13

Finding the Fourth Proportional to 13,564.32, 20,345.33 and 4,204.13

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Solution

The fourth proportional to 13,564.32, 20,345.33 and 4,204.13 is: 6,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.32 : 20,345.33 = 4,204.13 : x
  2. Step 2: Convert to fraction form
    13,564.32/20,345.33 = 4,204.13/x
  3. Step 3: Cross multiply
    13,564.32x = 20,345.33 × 4,204.13
  4. Step 4: Simplify right side
    13,564.32x = 85,534,289.47
  5. Step 5: Solve for x
    x = 85,534,289.47/13,564.32
  6. Step 6: Final answer
    x = 6,305.83

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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.