Home / 13,563.50-20,344.19-4,203.59

Finding the Fourth Proportional to 13,563.50, 20,344.19 and 4,203.59

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Solution

The fourth proportional to 13,563.50, 20,344.19 and 4,203.59 is: 6,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.50 : 20,344.19 = 4,203.59 : x
  2. Step 2: Convert to fraction form
    13,563.50/20,344.19 = 4,203.59/x
  3. Step 3: Cross multiply
    13,563.50x = 20,344.19 × 4,203.59
  4. Step 4: Simplify right side
    13,563.50x = 85,518,510.90
  5. Step 5: Solve for x
    x = 85,518,510.90/13,563.50
  6. Step 6: Final answer
    x = 6,305.05

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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.