Home / 18,083.72-27,125.58-4,935.80

Finding the Fourth Proportional to 18,083.72, 27,125.58 and 4,935.80

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Solution

The fourth proportional to 18,083.72, 27,125.58 and 4,935.80 is: 7,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.72 : 27,125.58 = 4,935.80 : x
  2. Step 2: Convert to fraction form
    18,083.72/27,125.58 = 4,935.80/x
  3. Step 3: Cross multiply
    18,083.72x = 27,125.58 × 4,935.80
  4. Step 4: Simplify right side
    18,083.72x = 133,886,437.76
  5. Step 5: Solve for x
    x = 133,886,437.76/18,083.72
  6. Step 6: Final answer
    x = 7,403.70

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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.