Home / 13,943.06-20,914.32-5,622.89

Finding the Fourth Proportional to 13,943.06, 20,914.32 and 5,622.89

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Solution

The fourth proportional to 13,943.06, 20,914.32 and 5,622.89 is: 8,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.06 : 20,914.32 = 5,622.89 : x
  2. Step 2: Convert to fraction form
    13,943.06/20,914.32 = 5,622.89/x
  3. Step 3: Cross multiply
    13,943.06x = 20,914.32 × 5,622.89
  4. Step 4: Simplify right side
    13,943.06x = 117,598,920.78
  5. Step 5: Solve for x
    x = 117,598,920.78/13,943.06
  6. Step 6: Final answer
    x = 8,434.23

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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.