Home / 12,777.46-19,164.57-9,495.34

Finding the Fourth Proportional to 12,777.46, 19,164.57 and 9,495.34

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Solution

The fourth proportional to 12,777.46, 19,164.57 and 9,495.34 is: 14,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.46 : 19,164.57 = 9,495.34 : x
  2. Step 2: Convert to fraction form
    12,777.46/19,164.57 = 9,495.34/x
  3. Step 3: Cross multiply
    12,777.46x = 19,164.57 × 9,495.34
  4. Step 4: Simplify right side
    12,777.46x = 181,974,108.10
  5. Step 5: Solve for x
    x = 181,974,108.10/12,777.46
  6. Step 6: Final answer
    x = 14,241.81

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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.