Home / 13,276.54-18,320.97-7,308.73

Finding the Fourth Proportional to 13,276.54, 18,320.97 and 7,308.73

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Solution

The fourth proportional to 13,276.54, 18,320.97 and 7,308.73 is: 10,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.54 : 18,320.97 = 7,308.73 : x
  2. Step 2: Convert to fraction form
    13,276.54/18,320.97 = 7,308.73/x
  3. Step 3: Cross multiply
    13,276.54x = 18,320.97 × 7,308.73
  4. Step 4: Simplify right side
    13,276.54x = 133,903,023.07
  5. Step 5: Solve for x
    x = 133,903,023.07/13,276.54
  6. Step 6: Final answer
    x = 10,085.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.