Home / 13,430.46-20,125.17-5,635.02

Finding the Fourth Proportional to 13,430.46, 20,125.17 and 5,635.02

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Solution

The fourth proportional to 13,430.46, 20,125.17 and 5,635.02 is: 8,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430.46 : 20,125.17 = 5,635.02 : x
  2. Step 2: Convert to fraction form
    13,430.46/20,125.17 = 5,635.02/x
  3. Step 3: Cross multiply
    13,430.46x = 20,125.17 × 5,635.02
  4. Step 4: Simplify right side
    13,430.46x = 113,405,735.45
  5. Step 5: Solve for x
    x = 113,405,735.45/13,430.46
  6. Step 6: Final answer
    x = 8,443.92

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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.