Home / 13,943.21-20,910.37-4,581.06

Finding the Fourth Proportional to 13,943.21, 20,910.37 and 4,581.06

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Solution

The fourth proportional to 13,943.21, 20,910.37 and 4,581.06 is: 6,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.21 : 20,910.37 = 4,581.06 : x
  2. Step 2: Convert to fraction form
    13,943.21/20,910.37 = 4,581.06/x
  3. Step 3: Cross multiply
    13,943.21x = 20,910.37 × 4,581.06
  4. Step 4: Simplify right side
    13,943.21x = 95,791,578.32
  5. Step 5: Solve for x
    x = 95,791,578.32/13,943.21
  6. Step 6: Final answer
    x = 6,870.13

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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.