Home / 19,590.84-29,366.92-12,550.88

Finding the Fourth Proportional to 19,590.84, 29,366.92 and 12,550.88

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Solution

The fourth proportional to 19,590.84, 29,366.92 and 12,550.88 is: 18,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.84 : 29,366.92 = 12,550.88 : x
  2. Step 2: Convert to fraction form
    19,590.84/29,366.92 = 12,550.88/x
  3. Step 3: Cross multiply
    19,590.84x = 29,366.92 × 12,550.88
  4. Step 4: Simplify right side
    19,590.84x = 368,580,688.89
  5. Step 5: Solve for x
    x = 368,580,688.89/19,590.84
  6. Step 6: Final answer
    x = 18,813.93

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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.