Home / 19,862.86-29,794.26-5,071.78

Finding the Fourth Proportional to 19,862.86, 29,794.26 and 5,071.78

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Solution

The fourth proportional to 19,862.86, 29,794.26 and 5,071.78 is: 7,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.86 : 29,794.26 = 5,071.78 : x
  2. Step 2: Convert to fraction form
    19,862.86/29,794.26 = 5,071.78/x
  3. Step 3: Cross multiply
    19,862.86x = 29,794.26 × 5,071.78
  4. Step 4: Simplify right side
    19,862.86x = 151,109,931.98
  5. Step 5: Solve for x
    x = 151,109,931.98/19,862.86
  6. Step 6: Final answer
    x = 7,607.66

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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.