Home / 20,746.88-31,103.04-7,596.80

Finding the Fourth Proportional to 20,746.88, 31,103.04 and 7,596.80

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Solution

The fourth proportional to 20,746.88, 31,103.04 and 7,596.80 is: 11,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.88 : 31,103.04 = 7,596.80 : x
  2. Step 2: Convert to fraction form
    20,746.88/31,103.04 = 7,596.80/x
  3. Step 3: Cross multiply
    20,746.88x = 31,103.04 × 7,596.80
  4. Step 4: Simplify right side
    20,746.88x = 236,283,574.27
  5. Step 5: Solve for x
    x = 236,283,574.27/20,746.88
  6. Step 6: Final answer
    x = 11,388.87

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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.