Home / 13,751.34-20,624.37-3,888.24

Finding the Fourth Proportional to 13,751.34, 20,624.37 and 3,888.24

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Solution

The fourth proportional to 13,751.34, 20,624.37 and 3,888.24 is: 5,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.34 : 20,624.37 = 3,888.24 : x
  2. Step 2: Convert to fraction form
    13,751.34/20,624.37 = 3,888.24/x
  3. Step 3: Cross multiply
    13,751.34x = 20,624.37 × 3,888.24
  4. Step 4: Simplify right side
    13,751.34x = 80,192,500.41
  5. Step 5: Solve for x
    x = 80,192,500.41/13,751.34
  6. Step 6: Final answer
    x = 5,831.61

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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.