Home / 19,550.94-29,328.57-8,458.86

Finding the Fourth Proportional to 19,550.94, 29,328.57 and 8,458.86

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Solution

The fourth proportional to 19,550.94, 29,328.57 and 8,458.86 is: 12,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.94 : 29,328.57 = 8,458.86 : x
  2. Step 2: Convert to fraction form
    19,550.94/29,328.57 = 8,458.86/x
  3. Step 3: Cross multiply
    19,550.94x = 29,328.57 × 8,458.86
  4. Step 4: Simplify right side
    19,550.94x = 248,086,267.63
  5. Step 5: Solve for x
    x = 248,086,267.63/19,550.94
  6. Step 6: Final answer
    x = 12,689.22

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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.