Home / 11,559.08-15,951.66-6,780.08

Finding the Fourth Proportional to 11,559.08, 15,951.66 and 6,780.08

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Solution

The fourth proportional to 11,559.08, 15,951.66 and 6,780.08 is: 9,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.08 : 15,951.66 = 6,780.08 : x
  2. Step 2: Convert to fraction form
    11,559.08/15,951.66 = 6,780.08/x
  3. Step 3: Cross multiply
    11,559.08x = 15,951.66 × 6,780.08
  4. Step 4: Simplify right side
    11,559.08x = 108,153,530.93
  5. Step 5: Solve for x
    x = 108,153,530.93/11,559.08
  6. Step 6: Final answer
    x = 9,356.59

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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.