Home / 15,836.94-23,748.41-8,439.81

Finding the Fourth Proportional to 15,836.94, 23,748.41 and 8,439.81

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Solution

The fourth proportional to 15,836.94, 23,748.41 and 8,439.81 is: 12,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.94 : 23,748.41 = 8,439.81 : x
  2. Step 2: Convert to fraction form
    15,836.94/23,748.41 = 8,439.81/x
  3. Step 3: Cross multiply
    15,836.94x = 23,748.41 × 8,439.81
  4. Step 4: Simplify right side
    15,836.94x = 200,432,026.00
  5. Step 5: Solve for x
    x = 200,432,026.00/15,836.94
  6. Step 6: Final answer
    x = 12,655.98

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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.