Home / 11,379.03-15,701.52-6,342.60

Finding the Fourth Proportional to 11,379.03, 15,701.52 and 6,342.60

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Solution

The fourth proportional to 11,379.03, 15,701.52 and 6,342.60 is: 8,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.03 : 15,701.52 = 6,342.60 : x
  2. Step 2: Convert to fraction form
    11,379.03/15,701.52 = 6,342.60/x
  3. Step 3: Cross multiply
    11,379.03x = 15,701.52 × 6,342.60
  4. Step 4: Simplify right side
    11,379.03x = 99,588,460.75
  5. Step 5: Solve for x
    x = 99,588,460.75/11,379.03
  6. Step 6: Final answer
    x = 8,751.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.