Home / 12,829.86-19,251.17-7,204.03

Finding the Fourth Proportional to 12,829.86, 19,251.17 and 7,204.03

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Solution

The fourth proportional to 12,829.86, 19,251.17 and 7,204.03 is: 10,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.86 : 19,251.17 = 7,204.03 : x
  2. Step 2: Convert to fraction form
    12,829.86/19,251.17 = 7,204.03/x
  3. Step 3: Cross multiply
    12,829.86x = 19,251.17 × 7,204.03
  4. Step 4: Simplify right side
    12,829.86x = 138,685,922.07
  5. Step 5: Solve for x
    x = 138,685,922.07/12,829.86
  6. Step 6: Final answer
    x = 10,809.62

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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.