Home / 19,379.12-29,068.68-6,231.74

Finding the Fourth Proportional to 19,379.12, 29,068.68 and 6,231.74

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Solution

The fourth proportional to 19,379.12, 29,068.68 and 6,231.74 is: 9,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.12 : 29,068.68 = 6,231.74 : x
  2. Step 2: Convert to fraction form
    19,379.12/29,068.68 = 6,231.74/x
  3. Step 3: Cross multiply
    19,379.12x = 29,068.68 × 6,231.74
  4. Step 4: Simplify right side
    19,379.12x = 181,148,455.90
  5. Step 5: Solve for x
    x = 181,148,455.90/19,379.12
  6. Step 6: Final answer
    x = 9,347.61

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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.