Home / 12,016.90-18,014.91-5,773.78

Finding the Fourth Proportional to 12,016.90, 18,014.91 and 5,773.78

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Solution

The fourth proportional to 12,016.90, 18,014.91 and 5,773.78 is: 8,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.90 : 18,014.91 = 5,773.78 : x
  2. Step 2: Convert to fraction form
    12,016.90/18,014.91 = 5,773.78/x
  3. Step 3: Cross multiply
    12,016.90x = 18,014.91 × 5,773.78
  4. Step 4: Simplify right side
    12,016.90x = 104,014,127.06
  5. Step 5: Solve for x
    x = 104,014,127.06/12,016.90
  6. Step 6: Final answer
    x = 8,655.65

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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.