Home / 19,981.46-29,975.41-7,502.44

Finding the Fourth Proportional to 19,981.46, 29,975.41 and 7,502.44

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Solution

The fourth proportional to 19,981.46, 29,975.41 and 7,502.44 is: 11,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.46 : 29,975.41 = 7,502.44 : x
  2. Step 2: Convert to fraction form
    19,981.46/29,975.41 = 7,502.44/x
  3. Step 3: Cross multiply
    19,981.46x = 29,975.41 × 7,502.44
  4. Step 4: Simplify right side
    19,981.46x = 224,888,715.00
  5. Step 5: Solve for x
    x = 224,888,715.00/19,981.46
  6. Step 6: Final answer
    x = 11,254.87

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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.