Home / 18,088.25-27,135.45-6,238.81

Finding the Fourth Proportional to 18,088.25, 27,135.45 and 6,238.81

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Solution

The fourth proportional to 18,088.25, 27,135.45 and 6,238.81 is: 9,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.25 : 27,135.45 = 6,238.81 : x
  2. Step 2: Convert to fraction form
    18,088.25/27,135.45 = 6,238.81/x
  3. Step 3: Cross multiply
    18,088.25x = 27,135.45 × 6,238.81
  4. Step 4: Simplify right side
    18,088.25x = 169,292,916.81
  5. Step 5: Solve for x
    x = 169,292,916.81/18,088.25
  6. Step 6: Final answer
    x = 9,359.28

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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.