Home / 13,359.34-20,040.05-4,474.70

Finding the Fourth Proportional to 13,359.34, 20,040.05 and 4,474.70

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Solution

The fourth proportional to 13,359.34, 20,040.05 and 4,474.70 is: 6,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.34 : 20,040.05 = 4,474.70 : x
  2. Step 2: Convert to fraction form
    13,359.34/20,040.05 = 4,474.70/x
  3. Step 3: Cross multiply
    13,359.34x = 20,040.05 × 4,474.70
  4. Step 4: Simplify right side
    13,359.34x = 89,673,172.70
  5. Step 5: Solve for x
    x = 89,673,172.70/13,359.34
  6. Step 6: Final answer
    x = 6,712.40

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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.