Home / 18,009.60-26,987.52-11,089.92

Finding the Fourth Proportional to 18,009.60, 26,987.52 and 11,089.92

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Solution

The fourth proportional to 18,009.60, 26,987.52 and 11,089.92 is: 16,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.60 : 26,987.52 = 11,089.92 : x
  2. Step 2: Convert to fraction form
    18,009.60/26,987.52 = 11,089.92/x
  3. Step 3: Cross multiply
    18,009.60x = 26,987.52 × 11,089.92
  4. Step 4: Simplify right side
    18,009.60x = 299,289,437.80
  5. Step 5: Solve for x
    x = 299,289,437.80/18,009.60
  6. Step 6: Final answer
    x = 16,618.33

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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.