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Finding the Fourth Proportional to 18,082, 24,955.65 and 10,912.28

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Solution

The fourth proportional to 18,082, 24,955.65 and 10,912.28 is: 15,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082 : 24,955.65 = 10,912.28 : x
  2. Step 2: Convert to fraction form
    18,082/24,955.65 = 10,912.28/x
  3. Step 3: Cross multiply
    18,082x = 24,955.65 × 10,912.28
  4. Step 4: Simplify right side
    18,082x = 272,323,040.38
  5. Step 5: Solve for x
    x = 272,323,040.38/18,082
  6. Step 6: Final answer
    x = 15,060.45

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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.