Home / 8,016.90-12,010.80-5,913.78

Finding the Fourth Proportional to 8,016.90, 12,010.80 and 5,913.78

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Solution

The fourth proportional to 8,016.90, 12,010.80 and 5,913.78 is: 8,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,016.90 : 12,010.80 = 5,913.78 : x
  2. Step 2: Convert to fraction form
    8,016.90/12,010.80 = 5,913.78/x
  3. Step 3: Cross multiply
    8,016.90x = 12,010.80 × 5,913.78
  4. Step 4: Simplify right side
    8,016.90x = 71,029,228.82
  5. Step 5: Solve for x
    x = 71,029,228.82/8,016.90
  6. Step 6: Final answer
    x = 8,859.94

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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.