Home / 14,052.88-21,063.12-6,659.20

Finding the Fourth Proportional to 14,052.88, 21,063.12 and 6,659.20

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Solution

The fourth proportional to 14,052.88, 21,063.12 and 6,659.20 is: 9,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.88 : 21,063.12 = 6,659.20 : x
  2. Step 2: Convert to fraction form
    14,052.88/21,063.12 = 6,659.20/x
  3. Step 3: Cross multiply
    14,052.88x = 21,063.12 × 6,659.20
  4. Step 4: Simplify right side
    14,052.88x = 140,263,528.70
  5. Step 5: Solve for x
    x = 140,263,528.70/14,052.88
  6. Step 6: Final answer
    x = 9,981.12

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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.