Home / 13,930.47-20,881.03-4,568.05

Finding the Fourth Proportional to 13,930.47, 20,881.03 and 4,568.05

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Solution

The fourth proportional to 13,930.47, 20,881.03 and 4,568.05 is: 6,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.47 : 20,881.03 = 4,568.05 : x
  2. Step 2: Convert to fraction form
    13,930.47/20,881.03 = 4,568.05/x
  3. Step 3: Cross multiply
    13,930.47x = 20,881.03 × 4,568.05
  4. Step 4: Simplify right side
    13,930.47x = 95,385,461.85
  5. Step 5: Solve for x
    x = 95,385,461.85/13,930.47
  6. Step 6: Final answer
    x = 6,847.25

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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.