Home / 18,779.04-28,175.36-8,792.48

Finding the Fourth Proportional to 18,779.04, 28,175.36 and 8,792.48

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Solution

The fourth proportional to 18,779.04, 28,175.36 and 8,792.48 is: 13,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779.04 : 28,175.36 = 8,792.48 : x
  2. Step 2: Convert to fraction form
    18,779.04/28,175.36 = 8,792.48/x
  3. Step 3: Cross multiply
    18,779.04x = 28,175.36 × 8,792.48
  4. Step 4: Simplify right side
    18,779.04x = 247,731,289.29
  5. Step 5: Solve for x
    x = 247,731,289.29/18,779.04
  6. Step 6: Final answer
    x = 13,191.90

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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.