Home / 12,635.57-18,947.81-4,732.55

Finding the Fourth Proportional to 12,635.57, 18,947.81 and 4,732.55

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Solution

The fourth proportional to 12,635.57, 18,947.81 and 4,732.55 is: 7,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.57 : 18,947.81 = 4,732.55 : x
  2. Step 2: Convert to fraction form
    12,635.57/18,947.81 = 4,732.55/x
  3. Step 3: Cross multiply
    12,635.57x = 18,947.81 × 4,732.55
  4. Step 4: Simplify right side
    12,635.57x = 89,671,339.81
  5. Step 5: Solve for x
    x = 89,671,339.81/12,635.57
  6. Step 6: Final answer
    x = 7,096.74

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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.