Home / 13,610.23-20,406.84-4,247.54

Finding the Fourth Proportional to 13,610.23, 20,406.84 and 4,247.54

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Solution

The fourth proportional to 13,610.23, 20,406.84 and 4,247.54 is: 6,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.23 : 20,406.84 = 4,247.54 : x
  2. Step 2: Convert to fraction form
    13,610.23/20,406.84 = 4,247.54/x
  3. Step 3: Cross multiply
    13,610.23x = 20,406.84 × 4,247.54
  4. Step 4: Simplify right side
    13,610.23x = 86,678,827.74
  5. Step 5: Solve for x
    x = 86,678,827.74/13,610.23
  6. Step 6: Final answer
    x = 6,368.65

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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.