Home / 22,818.64-34,234.80-8,779.93

Finding the Fourth Proportional to 22,818.64, 34,234.80 and 8,779.93

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Solution

The fourth proportional to 22,818.64, 34,234.80 and 8,779.93 is: 13,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.64 : 34,234.80 = 8,779.93 : x
  2. Step 2: Convert to fraction form
    22,818.64/34,234.80 = 8,779.93/x
  3. Step 3: Cross multiply
    22,818.64x = 34,234.80 × 8,779.93
  4. Step 4: Simplify right side
    22,818.64x = 300,579,147.56
  5. Step 5: Solve for x
    x = 300,579,147.56/22,818.64
  6. Step 6: Final answer
    x = 13,172.53

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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.