Home / 13,308.84-19,930.46-8,366.22

Finding the Fourth Proportional to 13,308.84, 19,930.46 and 8,366.22

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Solution

The fourth proportional to 13,308.84, 19,930.46 and 8,366.22 is: 12,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.84 : 19,930.46 = 8,366.22 : x
  2. Step 2: Convert to fraction form
    13,308.84/19,930.46 = 8,366.22/x
  3. Step 3: Cross multiply
    13,308.84x = 19,930.46 × 8,366.22
  4. Step 4: Simplify right side
    13,308.84x = 166,742,571.23
  5. Step 5: Solve for x
    x = 166,742,571.23/13,308.84
  6. Step 6: Final answer
    x = 12,528.71

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1.5x scale

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.