Home / 13,060.62-18,028.80-8,814.20

Finding the Fourth Proportional to 13,060.62, 18,028.80 and 8,814.20

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Solution

The fourth proportional to 13,060.62, 18,028.80 and 8,814.20 is: 12,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.62 : 18,028.80 = 8,814.20 : x
  2. Step 2: Convert to fraction form
    13,060.62/18,028.80 = 8,814.20/x
  3. Step 3: Cross multiply
    13,060.62x = 18,028.80 × 8,814.20
  4. Step 4: Simplify right side
    13,060.62x = 158,909,358.82
  5. Step 5: Solve for x
    x = 158,909,358.82/13,060.62
  6. Step 6: Final answer
    x = 12,167.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.