Home / 18,996.12-28,494.59-6,516.05

Finding the Fourth Proportional to 18,996.12, 28,494.59 and 6,516.05

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Solution

The fourth proportional to 18,996.12, 28,494.59 and 6,516.05 is: 9,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.12 : 28,494.59 = 6,516.05 : x
  2. Step 2: Convert to fraction form
    18,996.12/28,494.59 = 6,516.05/x
  3. Step 3: Cross multiply
    18,996.12x = 28,494.59 × 6,516.05
  4. Step 4: Simplify right side
    18,996.12x = 185,671,998.12
  5. Step 5: Solve for x
    x = 185,671,998.12/18,996.12
  6. Step 6: Final answer
    x = 9,774.21

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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.