Home / 19,180.78-28,771.25-6,700.76

Finding the Fourth Proportional to 19,180.78, 28,771.25 and 6,700.76

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Solution

The fourth proportional to 19,180.78, 28,771.25 and 6,700.76 is: 10,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.78 : 28,771.25 = 6,700.76 : x
  2. Step 2: Convert to fraction form
    19,180.78/28,771.25 = 6,700.76/x
  3. Step 3: Cross multiply
    19,180.78x = 28,771.25 × 6,700.76
  4. Step 4: Simplify right side
    19,180.78x = 192,789,209.37
  5. Step 5: Solve for x
    x = 192,789,209.37/19,180.78
  6. Step 6: Final answer
    x = 10,051.16

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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.