Home / 13,972.21-20,960.46-6,577.45

Finding the Fourth Proportional to 13,972.21, 20,960.46 and 6,577.45

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Solution

The fourth proportional to 13,972.21, 20,960.46 and 6,577.45 is: 9,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.21 : 20,960.46 = 6,577.45 : x
  2. Step 2: Convert to fraction form
    13,972.21/20,960.46 = 6,577.45/x
  3. Step 3: Cross multiply
    13,972.21x = 20,960.46 × 6,577.45
  4. Step 4: Simplify right side
    13,972.21x = 137,866,377.63
  5. Step 5: Solve for x
    x = 137,866,377.63/13,972.21
  6. Step 6: Final answer
    x = 9,867.18

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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.