Home / 18,440.94-27,638.19-10,007.18

Finding the Fourth Proportional to 18,440.94, 27,638.19 and 10,007.18

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Solution

The fourth proportional to 18,440.94, 27,638.19 and 10,007.18 is: 14,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.94 : 27,638.19 = 10,007.18 : x
  2. Step 2: Convert to fraction form
    18,440.94/27,638.19 = 10,007.18/x
  3. Step 3: Cross multiply
    18,440.94x = 27,638.19 × 10,007.18
  4. Step 4: Simplify right side
    18,440.94x = 276,580,342.20
  5. Step 5: Solve for x
    x = 276,580,342.20/18,440.94
  6. Step 6: Final answer
    x = 14,998.17

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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.