Home / 9,987.47-13,776.32-6,009.83

Finding the Fourth Proportional to 9,987.47, 13,776.32 and 6,009.83

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Solution

The fourth proportional to 9,987.47, 13,776.32 and 6,009.83 is: 8,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.47 : 13,776.32 = 6,009.83 : x
  2. Step 2: Convert to fraction form
    9,987.47/13,776.32 = 6,009.83/x
  3. Step 3: Cross multiply
    9,987.47x = 13,776.32 × 6,009.83
  4. Step 4: Simplify right side
    9,987.47x = 82,793,311.18
  5. Step 5: Solve for x
    x = 82,793,311.18/9,987.47
  6. Step 6: Final answer
    x = 8,289.72

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Similar ratio
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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.