Home / 13,060.74-18,028.96-8,814.31

Finding the Fourth Proportional to 13,060.74, 18,028.96 and 8,814.31

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Solution

The fourth proportional to 13,060.74, 18,028.96 and 8,814.31 is: 12,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.74 : 18,028.96 = 8,814.31 : x
  2. Step 2: Convert to fraction form
    13,060.74/18,028.96 = 8,814.31/x
  3. Step 3: Cross multiply
    13,060.74x = 18,028.96 × 8,814.31
  4. Step 4: Simplify right side
    13,060.74x = 158,912,842.42
  5. Step 5: Solve for x
    x = 158,912,842.42/13,060.74
  6. Step 6: Final answer
    x = 12,167.22

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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.