Home / 18,520.94-25,558.70-10,022.88

Finding the Fourth Proportional to 18,520.94, 25,558.70 and 10,022.88

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Solution

The fourth proportional to 18,520.94, 25,558.70 and 10,022.88 is: 13,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.94 : 25,558.70 = 10,022.88 : x
  2. Step 2: Convert to fraction form
    18,520.94/25,558.70 = 10,022.88/x
  3. Step 3: Cross multiply
    18,520.94x = 25,558.70 × 10,022.88
  4. Step 4: Simplify right side
    18,520.94x = 256,171,808.11
  5. Step 5: Solve for x
    x = 256,171,808.11/18,520.94
  6. Step 6: Final answer
    x = 13,831.47

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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.