Home / 18,088.50-27,135.83-6,239.06

Finding the Fourth Proportional to 18,088.50, 27,135.83 and 6,239.06

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Solution

The fourth proportional to 18,088.50, 27,135.83 and 6,239.06 is: 9,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.50 : 27,135.83 = 6,239.06 : x
  2. Step 2: Convert to fraction form
    18,088.50/27,135.83 = 6,239.06/x
  3. Step 3: Cross multiply
    18,088.50x = 27,135.83 × 6,239.06
  4. Step 4: Simplify right side
    18,088.50x = 169,302,018.10
  5. Step 5: Solve for x
    x = 169,302,018.10/18,088.50
  6. Step 6: Final answer
    x = 9,359.65

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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.