Home / 19,519.16-29,254.23-8,412.85

Finding the Fourth Proportional to 19,519.16, 29,254.23 and 8,412.85

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Solution

The fourth proportional to 19,519.16, 29,254.23 and 8,412.85 is: 12,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.16 : 29,254.23 = 8,412.85 : x
  2. Step 2: Convert to fraction form
    19,519.16/29,254.23 = 8,412.85/x
  3. Step 3: Cross multiply
    19,519.16x = 29,254.23 × 8,412.85
  4. Step 4: Simplify right side
    19,519.16x = 246,111,448.86
  5. Step 5: Solve for x
    x = 246,111,448.86/19,519.16
  6. Step 6: Final answer
    x = 12,608.71

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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.