Home / 13,333.89-20,000.91-4,568.88

Finding the Fourth Proportional to 13,333.89, 20,000.91 and 4,568.88

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Solution

The fourth proportional to 13,333.89, 20,000.91 and 4,568.88 is: 6,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.89 : 20,000.91 = 4,568.88 : x
  2. Step 2: Convert to fraction form
    13,333.89/20,000.91 = 4,568.88/x
  3. Step 3: Cross multiply
    13,333.89x = 20,000.91 × 4,568.88
  4. Step 4: Simplify right side
    13,333.89x = 91,381,757.68
  5. Step 5: Solve for x
    x = 91,381,757.68/13,333.89
  6. Step 6: Final answer
    x = 6,853.35

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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.