Home / 18,768.42-25,900.28-10,270.38

Finding the Fourth Proportional to 18,768.42, 25,900.28 and 10,270.38

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Solution

The fourth proportional to 18,768.42, 25,900.28 and 10,270.38 is: 14,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.42 : 25,900.28 = 10,270.38 : x
  2. Step 2: Convert to fraction form
    18,768.42/25,900.28 = 10,270.38/x
  3. Step 3: Cross multiply
    18,768.42x = 25,900.28 × 10,270.38
  4. Step 4: Simplify right side
    18,768.42x = 266,005,717.71
  5. Step 5: Solve for x
    x = 266,005,717.71/18,768.42
  6. Step 6: Final answer
    x = 14,173.05

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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.