Home / 22,120.07-33,167.86-8,779.55

Finding the Fourth Proportional to 22,120.07, 33,167.86 and 8,779.55

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Solution

The fourth proportional to 22,120.07, 33,167.86 and 8,779.55 is: 13,164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.07 : 33,167.86 = 8,779.55 : x
  2. Step 2: Convert to fraction form
    22,120.07/33,167.86 = 8,779.55/x
  3. Step 3: Cross multiply
    22,120.07x = 33,167.86 × 8,779.55
  4. Step 4: Simplify right side
    22,120.07x = 291,198,697.47
  5. Step 5: Solve for x
    x = 291,198,697.47/22,120.07
  6. Step 6: Final answer
    x = 13,164.46

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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.