Home / 12,675.17-18,997.69-5,911.67

Finding the Fourth Proportional to 12,675.17, 18,997.69 and 5,911.67

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Solution

The fourth proportional to 12,675.17, 18,997.69 and 5,911.67 is: 8,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.17 : 18,997.69 = 5,911.67 : x
  2. Step 2: Convert to fraction form
    12,675.17/18,997.69 = 5,911.67/x
  3. Step 3: Cross multiply
    12,675.17x = 18,997.69 × 5,911.67
  4. Step 4: Simplify right side
    12,675.17x = 112,308,044.48
  5. Step 5: Solve for x
    x = 112,308,044.48/12,675.17
  6. Step 6: Final answer
    x = 8,860.48

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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.