Home / 19,834.29-29,743.74-7,180.47

Finding the Fourth Proportional to 19,834.29, 29,743.74 and 7,180.47

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Solution

The fourth proportional to 19,834.29, 29,743.74 and 7,180.47 is: 10,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.29 : 29,743.74 = 7,180.47 : x
  2. Step 2: Convert to fraction form
    19,834.29/29,743.74 = 7,180.47/x
  3. Step 3: Cross multiply
    19,834.29x = 29,743.74 × 7,180.47
  4. Step 4: Simplify right side
    19,834.29x = 213,574,032.76
  5. Step 5: Solve for x
    x = 213,574,032.76/19,834.29
  6. Step 6: Final answer
    x = 10,767.92

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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.