Home / 13,934.49-20,901.74-3,546.21

Finding the Fourth Proportional to 13,934.49, 20,901.74 and 3,546.21

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Solution

The fourth proportional to 13,934.49, 20,901.74 and 3,546.21 is: 5,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.49 : 20,901.74 = 3,546.21 : x
  2. Step 2: Convert to fraction form
    13,934.49/20,901.74 = 3,546.21/x
  3. Step 3: Cross multiply
    13,934.49x = 20,901.74 × 3,546.21
  4. Step 4: Simplify right side
    13,934.49x = 74,121,941.67
  5. Step 5: Solve for x
    x = 74,121,941.67/13,934.49
  6. Step 6: Final answer
    x = 5,319.32

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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.