Home / 18,206.22-27,312.21-6,519.18

Finding the Fourth Proportional to 18,206.22, 27,312.21 and 6,519.18

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Solution

The fourth proportional to 18,206.22, 27,312.21 and 6,519.18 is: 9,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.22 : 27,312.21 = 6,519.18 : x
  2. Step 2: Convert to fraction form
    18,206.22/27,312.21 = 6,519.18/x
  3. Step 3: Cross multiply
    18,206.22x = 27,312.21 × 6,519.18
  4. Step 4: Simplify right side
    18,206.22x = 178,053,213.19
  5. Step 5: Solve for x
    x = 178,053,213.19/18,206.22
  6. Step 6: Final answer
    x = 9,779.80

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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.