Home / 18,823.78-25,975.11-10,325.53

Finding the Fourth Proportional to 18,823.78, 25,975.11 and 10,325.53

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Solution

The fourth proportional to 18,823.78, 25,975.11 and 10,325.53 is: 14,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.78 : 25,975.11 = 10,325.53 : x
  2. Step 2: Convert to fraction form
    18,823.78/25,975.11 = 10,325.53/x
  3. Step 3: Cross multiply
    18,823.78x = 25,975.11 × 10,325.53
  4. Step 4: Simplify right side
    18,823.78x = 268,206,777.56
  5. Step 5: Solve for x
    x = 268,206,777.56/18,823.78
  6. Step 6: Final answer
    x = 14,248.30

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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.