Home / 13,308.39-19,951.75-4,983.74

Finding the Fourth Proportional to 13,308.39, 19,951.75 and 4,983.74

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Solution

The fourth proportional to 13,308.39, 19,951.75 and 4,983.74 is: 7,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.39 : 19,951.75 = 4,983.74 : x
  2. Step 2: Convert to fraction form
    13,308.39/19,951.75 = 4,983.74/x
  3. Step 3: Cross multiply
    13,308.39x = 19,951.75 × 4,983.74
  4. Step 4: Simplify right side
    13,308.39x = 99,434,334.55
  5. Step 5: Solve for x
    x = 99,434,334.55/13,308.39
  6. Step 6: Final answer
    x = 7,471.55

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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.