Home / 12,080.92-18,100.40-6,538.08

Finding the Fourth Proportional to 12,080.92, 18,100.40 and 6,538.08

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Solution

The fourth proportional to 12,080.92, 18,100.40 and 6,538.08 is: 9,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.92 : 18,100.40 = 6,538.08 : x
  2. Step 2: Convert to fraction form
    12,080.92/18,100.40 = 6,538.08/x
  3. Step 3: Cross multiply
    12,080.92x = 18,100.40 × 6,538.08
  4. Step 4: Simplify right side
    12,080.92x = 118,341,863.23
  5. Step 5: Solve for x
    x = 118,341,863.23/12,080.92
  6. Step 6: Final answer
    x = 9,795.77

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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.