Home / 18,619.94-25,696.98-10,664.73

Finding the Fourth Proportional to 18,619.94, 25,696.98 and 10,664.73

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Solution

The fourth proportional to 18,619.94, 25,696.98 and 10,664.73 is: 14,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619.94 : 25,696.98 = 10,664.73 : x
  2. Step 2: Convert to fraction form
    18,619.94/25,696.98 = 10,664.73/x
  3. Step 3: Cross multiply
    18,619.94x = 25,696.98 × 10,664.73
  4. Step 4: Simplify right side
    18,619.94x = 274,051,353.52
  5. Step 5: Solve for x
    x = 274,051,353.52/18,619.94
  6. Step 6: Final answer
    x = 14,718.16

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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.