Home / 19,307.86-28,961.40-6,160.06

Finding the Fourth Proportional to 19,307.86, 28,961.40 and 6,160.06

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Solution

The fourth proportional to 19,307.86, 28,961.40 and 6,160.06 is: 9,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.86 : 28,961.40 = 6,160.06 : x
  2. Step 2: Convert to fraction form
    19,307.86/28,961.40 = 6,160.06/x
  3. Step 3: Cross multiply
    19,307.86x = 28,961.40 × 6,160.06
  4. Step 4: Simplify right side
    19,307.86x = 178,403,961.68
  5. Step 5: Solve for x
    x = 178,403,961.68/19,307.86
  6. Step 6: Final answer
    x = 9,239.97

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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.