Home / 18,538.92-25,583.63-10,155.42

Finding the Fourth Proportional to 18,538.92, 25,583.63 and 10,155.42

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Solution

The fourth proportional to 18,538.92, 25,583.63 and 10,155.42 is: 14,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.92 : 25,583.63 = 10,155.42 : x
  2. Step 2: Convert to fraction form
    18,538.92/25,583.63 = 10,155.42/x
  3. Step 3: Cross multiply
    18,538.92x = 25,583.63 × 10,155.42
  4. Step 4: Simplify right side
    18,538.92x = 259,812,457.00
  5. Step 5: Solve for x
    x = 259,812,457.00/18,538.92
  6. Step 6: Final answer
    x = 14,014.43

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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.