Home / 9,909.32-13,669.62-6,185.48

Finding the Fourth Proportional to 9,909.32, 13,669.62 and 6,185.48

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Solution

The fourth proportional to 9,909.32, 13,669.62 and 6,185.48 is: 8,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.32 : 13,669.62 = 6,185.48 : x
  2. Step 2: Convert to fraction form
    9,909.32/13,669.62 = 6,185.48/x
  3. Step 3: Cross multiply
    9,909.32x = 13,669.62 × 6,185.48
  4. Step 4: Simplify right side
    9,909.32x = 84,553,161.12
  5. Step 5: Solve for x
    x = 84,553,161.12/9,909.32
  6. Step 6: Final answer
    x = 8,532.69

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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.