Home / 18,779.04-28,170.10-6,299.18

Finding the Fourth Proportional to 18,779.04, 28,170.10 and 6,299.18

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Solution

The fourth proportional to 18,779.04, 28,170.10 and 6,299.18 is: 9,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779.04 : 28,170.10 = 6,299.18 : x
  2. Step 2: Convert to fraction form
    18,779.04/28,170.10 = 6,299.18/x
  3. Step 3: Cross multiply
    18,779.04x = 28,170.10 × 6,299.18
  4. Step 4: Simplify right side
    18,779.04x = 177,448,530.52
  5. Step 5: Solve for x
    x = 177,448,530.52/18,779.04
  6. Step 6: Final answer
    x = 9,449.29

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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.