Home / 13,562.27-20,345.33-4,203.08

Finding the Fourth Proportional to 13,562.27, 20,345.33 and 4,203.08

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Solution

The fourth proportional to 13,562.27, 20,345.33 and 4,203.08 is: 6,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.27 : 20,345.33 = 4,203.08 : x
  2. Step 2: Convert to fraction form
    13,562.27/20,345.33 = 4,203.08/x
  3. Step 3: Cross multiply
    13,562.27x = 20,345.33 × 4,203.08
  4. Step 4: Simplify right side
    13,562.27x = 85,512,926.87
  5. Step 5: Solve for x
    x = 85,512,926.87/13,562.27
  6. Step 6: Final answer
    x = 6,305.21

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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.