Home / 13,922.40-20,884.56-6,995.04

Finding the Fourth Proportional to 13,922.40, 20,884.56 and 6,995.04

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Solution

The fourth proportional to 13,922.40, 20,884.56 and 6,995.04 is: 10,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.40 : 20,884.56 = 6,995.04 : x
  2. Step 2: Convert to fraction form
    13,922.40/20,884.56 = 6,995.04/x
  3. Step 3: Cross multiply
    13,922.40x = 20,884.56 × 6,995.04
  4. Step 4: Simplify right side
    13,922.40x = 146,088,332.58
  5. Step 5: Solve for x
    x = 146,088,332.58/13,922.40
  6. Step 6: Final answer
    x = 10,493.04

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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.