Home / 19,997.58-30,011.22-7,529.88

Finding the Fourth Proportional to 19,997.58, 30,011.22 and 7,529.88

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Solution

The fourth proportional to 19,997.58, 30,011.22 and 7,529.88 is: 11,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.58 : 30,011.22 = 7,529.88 : x
  2. Step 2: Convert to fraction form
    19,997.58/30,011.22 = 7,529.88/x
  3. Step 3: Cross multiply
    19,997.58x = 30,011.22 × 7,529.88
  4. Step 4: Simplify right side
    19,997.58x = 225,980,885.25
  5. Step 5: Solve for x
    x = 225,980,885.25/19,997.58
  6. Step 6: Final answer
    x = 11,300.41

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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.