Home / 12,769.11-19,152.41-4,004.10

Finding the Fourth Proportional to 12,769.11, 19,152.41 and 4,004.10

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Solution

The fourth proportional to 12,769.11, 19,152.41 and 4,004.10 is: 6,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.11 : 19,152.41 = 4,004.10 : x
  2. Step 2: Convert to fraction form
    12,769.11/19,152.41 = 4,004.10/x
  3. Step 3: Cross multiply
    12,769.11x = 19,152.41 × 4,004.10
  4. Step 4: Simplify right side
    12,769.11x = 76,688,144.86
  5. Step 5: Solve for x
    x = 76,688,144.86/12,769.11
  6. Step 6: Final answer
    x = 6,005.75

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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.