Home / 12,760.86-19,105.33-9,630.91

Finding the Fourth Proportional to 12,760.86, 19,105.33 and 9,630.91

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Solution

The fourth proportional to 12,760.86, 19,105.33 and 9,630.91 is: 14,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.86 : 19,105.33 = 9,630.91 : x
  2. Step 2: Convert to fraction form
    12,760.86/19,105.33 = 9,630.91/x
  3. Step 3: Cross multiply
    12,760.86x = 19,105.33 × 9,630.91
  4. Step 4: Simplify right side
    12,760.86x = 184,001,713.75
  5. Step 5: Solve for x
    x = 184,001,713.75/12,760.86
  6. Step 6: Final answer
    x = 14,419.23

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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.