Home / 19,997.08-30,010.47-7,529.38

Finding the Fourth Proportional to 19,997.08, 30,010.47 and 7,529.38

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Solution

The fourth proportional to 19,997.08, 30,010.47 and 7,529.38 is: 11,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.08 : 30,010.47 = 7,529.38 : x
  2. Step 2: Convert to fraction form
    19,997.08/30,010.47 = 7,529.38/x
  3. Step 3: Cross multiply
    19,997.08x = 30,010.47 × 7,529.38
  4. Step 4: Simplify right side
    19,997.08x = 225,960,232.61
  5. Step 5: Solve for x
    x = 225,960,232.61/19,997.08
  6. Step 6: Final answer
    x = 11,299.66

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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.