Home / 13,943.32-20,907.42-4,581.16

Finding the Fourth Proportional to 13,943.32, 20,907.42 and 4,581.16

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Solution

The fourth proportional to 13,943.32, 20,907.42 and 4,581.16 is: 6,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.32 : 20,907.42 = 4,581.16 : x
  2. Step 2: Convert to fraction form
    13,943.32/20,907.42 = 4,581.16/x
  3. Step 3: Cross multiply
    13,943.32x = 20,907.42 × 4,581.16
  4. Step 4: Simplify right side
    13,943.32x = 95,780,236.21
  5. Step 5: Solve for x
    x = 95,780,236.21/13,943.32
  6. Step 6: Final answer
    x = 6,869.26

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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.