Home / 15,912.78-23,869.14-4,066.55

Finding the Fourth Proportional to 15,912.78, 23,869.14 and 4,066.55

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Solution

The fourth proportional to 15,912.78, 23,869.14 and 4,066.55 is: 6,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.78 : 23,869.14 = 4,066.55 : x
  2. Step 2: Convert to fraction form
    15,912.78/23,869.14 = 4,066.55/x
  3. Step 3: Cross multiply
    15,912.78x = 23,869.14 × 4,066.55
  4. Step 4: Simplify right side
    15,912.78x = 97,065,051.27
  5. Step 5: Solve for x
    x = 97,065,051.27/15,912.78
  6. Step 6: Final answer
    x = 6,099.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.