Home / 12,724.77-19,172.96-10,551.81

Finding the Fourth Proportional to 12,724.77, 19,172.96 and 10,551.81

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Solution

The fourth proportional to 12,724.77, 19,172.96 and 10,551.81 is: 15,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.77 : 19,172.96 = 10,551.81 : x
  2. Step 2: Convert to fraction form
    12,724.77/19,172.96 = 10,551.81/x
  3. Step 3: Cross multiply
    12,724.77x = 19,172.96 × 10,551.81
  4. Step 4: Simplify right side
    12,724.77x = 202,309,378.30
  5. Step 5: Solve for x
    x = 202,309,378.30/12,724.77
  6. Step 6: Final answer
    x = 15,898.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.