Home / 13,625.92-20,445.36-6,229.81

Finding the Fourth Proportional to 13,625.92, 20,445.36 and 6,229.81

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Solution

The fourth proportional to 13,625.92, 20,445.36 and 6,229.81 is: 9,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.92 : 20,445.36 = 6,229.81 : x
  2. Step 2: Convert to fraction form
    13,625.92/20,445.36 = 6,229.81/x
  3. Step 3: Cross multiply
    13,625.92x = 20,445.36 × 6,229.81
  4. Step 4: Simplify right side
    13,625.92x = 127,370,574.81
  5. Step 5: Solve for x
    x = 127,370,574.81/13,625.92
  6. Step 6: Final answer
    x = 9,347.67

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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.