Home / 13,359.98-20,043.81-4,000.70

Finding the Fourth Proportional to 13,359.98, 20,043.81 and 4,000.70

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Solution

The fourth proportional to 13,359.98, 20,043.81 and 4,000.70 is: 6,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.98 : 20,043.81 = 4,000.70 : x
  2. Step 2: Convert to fraction form
    13,359.98/20,043.81 = 4,000.70/x
  3. Step 3: Cross multiply
    13,359.98x = 20,043.81 × 4,000.70
  4. Step 4: Simplify right side
    13,359.98x = 80,189,270.67
  5. Step 5: Solve for x
    x = 80,189,270.67/13,359.98
  6. Step 6: Final answer
    x = 6,002.20

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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.