Home / 18,555.93-27,830.30-8,699.85

Finding the Fourth Proportional to 18,555.93, 27,830.30 and 8,699.85

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Solution

The fourth proportional to 18,555.93, 27,830.30 and 8,699.85 is: 13,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.93 : 27,830.30 = 8,699.85 : x
  2. Step 2: Convert to fraction form
    18,555.93/27,830.30 = 8,699.85/x
  3. Step 3: Cross multiply
    18,555.93x = 27,830.30 × 8,699.85
  4. Step 4: Simplify right side
    18,555.93x = 242,119,391.96
  5. Step 5: Solve for x
    x = 242,119,391.96/18,555.93
  6. Step 6: Final answer
    x = 13,048.09

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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.