Home / 19,249.91-28,822.96-12,569.87

Finding the Fourth Proportional to 19,249.91, 28,822.96 and 12,569.87

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Solution

The fourth proportional to 19,249.91, 28,822.96 and 12,569.87 is: 18,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249.91 : 28,822.96 = 12,569.87 : x
  2. Step 2: Convert to fraction form
    19,249.91/28,822.96 = 12,569.87/x
  3. Step 3: Cross multiply
    19,249.91x = 28,822.96 × 12,569.87
  4. Step 4: Simplify right side
    19,249.91x = 362,300,684.68
  5. Step 5: Solve for x
    x = 362,300,684.68/19,249.91
  6. Step 6: Final answer
    x = 18,820.90

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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.