Home / 12,744.49-19,116.72-8,360.92

Finding the Fourth Proportional to 12,744.49, 19,116.72 and 8,360.92

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Solution

The fourth proportional to 12,744.49, 19,116.72 and 8,360.92 is: 12,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.49 : 19,116.72 = 8,360.92 : x
  2. Step 2: Convert to fraction form
    12,744.49/19,116.72 = 8,360.92/x
  3. Step 3: Cross multiply
    12,744.49x = 19,116.72 × 8,360.92
  4. Step 4: Simplify right side
    12,744.49x = 159,833,318.79
  5. Step 5: Solve for x
    x = 159,833,318.79/12,744.49
  6. Step 6: Final answer
    x = 12,541.37

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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.