Home / 15,018.27-22,519.68-8,779.65

Finding the Fourth Proportional to 15,018.27, 22,519.68 and 8,779.65

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Solution

The fourth proportional to 15,018.27, 22,519.68 and 8,779.65 is: 13,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.27 : 22,519.68 = 8,779.65 : x
  2. Step 2: Convert to fraction form
    15,018.27/22,519.68 = 8,779.65/x
  3. Step 3: Cross multiply
    15,018.27x = 22,519.68 × 8,779.65
  4. Step 4: Simplify right side
    15,018.27x = 197,714,908.51
  5. Step 5: Solve for x
    x = 197,714,908.51/15,018.27
  6. Step 6: Final answer
    x = 13,164.96

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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.