Home / 20,084.22-30,117.69-7,602.06

Finding the Fourth Proportional to 20,084.22, 30,117.69 and 7,602.06

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Solution

The fourth proportional to 20,084.22, 30,117.69 and 7,602.06 is: 11,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.22 : 30,117.69 = 7,602.06 : x
  2. Step 2: Convert to fraction form
    20,084.22/30,117.69 = 7,602.06/x
  3. Step 3: Cross multiply
    20,084.22x = 30,117.69 × 7,602.06
  4. Step 4: Simplify right side
    20,084.22x = 228,956,486.44
  5. Step 5: Solve for x
    x = 228,956,486.44/20,084.22
  6. Step 6: Final answer
    x = 11,399.82

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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.