Home / 12,751.86-19,139.01-6,833.59

Finding the Fourth Proportional to 12,751.86, 19,139.01 and 6,833.59

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Solution

The fourth proportional to 12,751.86, 19,139.01 and 6,833.59 is: 10,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,751.86 : 19,139.01 = 6,833.59 : x
  2. Step 2: Convert to fraction form
    12,751.86/19,139.01 = 6,833.59/x
  3. Step 3: Cross multiply
    12,751.86x = 19,139.01 × 6,833.59
  4. Step 4: Simplify right side
    12,751.86x = 130,788,147.35
  5. Step 5: Solve for x
    x = 130,788,147.35/12,751.86
  6. Step 6: Final answer
    x = 10,256.40

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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.