Home / 11,852.50-17,778.76-4,061.12

Finding the Fourth Proportional to 11,852.50, 17,778.76 and 4,061.12

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Solution

The fourth proportional to 11,852.50, 17,778.76 and 4,061.12 is: 6,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.50 : 17,778.76 = 4,061.12 : x
  2. Step 2: Convert to fraction form
    11,852.50/17,778.76 = 4,061.12/x
  3. Step 3: Cross multiply
    11,852.50x = 17,778.76 × 4,061.12
  4. Step 4: Simplify right side
    11,852.50x = 72,201,677.81
  5. Step 5: Solve for x
    x = 72,201,677.81/11,852.50
  6. Step 6: Final answer
    x = 6,091.68

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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.