Home / 13,118.13-19,679.94-7,262.46

Finding the Fourth Proportional to 13,118.13, 19,679.94 and 7,262.46

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Solution

The fourth proportional to 13,118.13, 19,679.94 and 7,262.46 is: 10,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.13 : 19,679.94 = 7,262.46 : x
  2. Step 2: Convert to fraction form
    13,118.13/19,679.94 = 7,262.46/x
  3. Step 3: Cross multiply
    13,118.13x = 19,679.94 × 7,262.46
  4. Step 4: Simplify right side
    13,118.13x = 142,924,777.05
  5. Step 5: Solve for x
    x = 142,924,777.05/13,118.13
  6. Step 6: Final answer
    x = 10,895.21

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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.