Home / 18,623.63-27,929.48-6,140.85

Finding the Fourth Proportional to 18,623.63, 27,929.48 and 6,140.85

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Solution

The fourth proportional to 18,623.63, 27,929.48 and 6,140.85 is: 9,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.63 : 27,929.48 = 6,140.85 : x
  2. Step 2: Convert to fraction form
    18,623.63/27,929.48 = 6,140.85/x
  3. Step 3: Cross multiply
    18,623.63x = 27,929.48 × 6,140.85
  4. Step 4: Simplify right side
    18,623.63x = 171,510,716.55
  5. Step 5: Solve for x
    x = 171,510,716.55/18,623.63
  6. Step 6: Final answer
    x = 9,209.31

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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.