Home / 11,909.37-17,873.18-4,988.73

Finding the Fourth Proportional to 11,909.37, 17,873.18 and 4,988.73

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Solution

The fourth proportional to 11,909.37, 17,873.18 and 4,988.73 is: 7,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.37 : 17,873.18 = 4,988.73 : x
  2. Step 2: Convert to fraction form
    11,909.37/17,873.18 = 4,988.73/x
  3. Step 3: Cross multiply
    11,909.37x = 17,873.18 × 4,988.73
  4. Step 4: Simplify right side
    11,909.37x = 89,164,444.32
  5. Step 5: Solve for x
    x = 89,164,444.32/11,909.37
  6. Step 6: Final answer
    x = 7,486.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.