Home / 18,712.96-25,823.94-10,215.16

Finding the Fourth Proportional to 18,712.96, 25,823.94 and 10,215.16

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Solution

The fourth proportional to 18,712.96, 25,823.94 and 10,215.16 is: 14,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.96 : 25,823.94 = 10,215.16 : x
  2. Step 2: Convert to fraction form
    18,712.96/25,823.94 = 10,215.16/x
  3. Step 3: Cross multiply
    18,712.96x = 25,823.94 × 10,215.16
  4. Step 4: Simplify right side
    18,712.96x = 263,795,678.93
  5. Step 5: Solve for x
    x = 263,795,678.93/18,712.96
  6. Step 6: Final answer
    x = 14,096.95

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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.