Home / 18,569.88-27,865.62-7,477.56

Finding the Fourth Proportional to 18,569.88, 27,865.62 and 7,477.56

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Solution

The fourth proportional to 18,569.88, 27,865.62 and 7,477.56 is: 11,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.88 : 27,865.62 = 7,477.56 : x
  2. Step 2: Convert to fraction form
    18,569.88/27,865.62 = 7,477.56/x
  3. Step 3: Cross multiply
    18,569.88x = 27,865.62 × 7,477.56
  4. Step 4: Simplify right side
    18,569.88x = 208,366,845.49
  5. Step 5: Solve for x
    x = 208,366,845.49/18,569.88
  6. Step 6: Final answer
    x = 11,220.69

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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.