Home / 9,539.52-13,161.32-6,186.64

Finding the Fourth Proportional to 9,539.52, 13,161.32 and 6,186.64

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Solution

The fourth proportional to 9,539.52, 13,161.32 and 6,186.64 is: 8,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.52 : 13,161.32 = 6,186.64 : x
  2. Step 2: Convert to fraction form
    9,539.52/13,161.32 = 6,186.64/x
  3. Step 3: Cross multiply
    9,539.52x = 13,161.32 × 6,186.64
  4. Step 4: Simplify right side
    9,539.52x = 81,424,348.76
  5. Step 5: Solve for x
    x = 81,424,348.76/9,539.52
  6. Step 6: Final answer
    x = 8,535.48

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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.