Home / 18,276.36-27,428.96-9,391.33

Finding the Fourth Proportional to 18,276.36, 27,428.96 and 9,391.33

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Solution

The fourth proportional to 18,276.36, 27,428.96 and 9,391.33 is: 14,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.36 : 27,428.96 = 9,391.33 : x
  2. Step 2: Convert to fraction form
    18,276.36/27,428.96 = 9,391.33/x
  3. Step 3: Cross multiply
    18,276.36x = 27,428.96 × 9,391.33
  4. Step 4: Simplify right side
    18,276.36x = 257,594,414.92
  5. Step 5: Solve for x
    x = 257,594,414.92/18,276.36
  6. Step 6: Final answer
    x = 14,094.40

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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.