Home / 11,518.05-17,259.07-8,014.90

Finding the Fourth Proportional to 11,518.05, 17,259.07 and 8,014.90

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Solution

The fourth proportional to 11,518.05, 17,259.07 and 8,014.90 is: 12,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.05 : 17,259.07 = 8,014.90 : x
  2. Step 2: Convert to fraction form
    11,518.05/17,259.07 = 8,014.90/x
  3. Step 3: Cross multiply
    11,518.05x = 17,259.07 × 8,014.90
  4. Step 4: Simplify right side
    11,518.05x = 138,329,720.14
  5. Step 5: Solve for x
    x = 138,329,720.14/11,518.05
  6. Step 6: Final answer
    x = 12,009.82

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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.