Home / 19,981.95-29,976.18-7,502.94

Finding the Fourth Proportional to 19,981.95, 29,976.18 and 7,502.94

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Solution

The fourth proportional to 19,981.95, 29,976.18 and 7,502.94 is: 11,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.95 : 29,976.18 = 7,502.94 : x
  2. Step 2: Convert to fraction form
    19,981.95/29,976.18 = 7,502.94/x
  3. Step 3: Cross multiply
    19,981.95x = 29,976.18 × 7,502.94
  4. Step 4: Simplify right side
    19,981.95x = 224,909,479.97
  5. Step 5: Solve for x
    x = 224,909,479.97/19,981.95
  6. Step 6: Final answer
    x = 11,255.63

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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.