Home / 12,996.72-19,492.56-4,110.80

Finding the Fourth Proportional to 12,996.72, 19,492.56 and 4,110.80

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Solution

The fourth proportional to 12,996.72, 19,492.56 and 4,110.80 is: 6,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.72 : 19,492.56 = 4,110.80 : x
  2. Step 2: Convert to fraction form
    12,996.72/19,492.56 = 4,110.80/x
  3. Step 3: Cross multiply
    12,996.72x = 19,492.56 × 4,110.80
  4. Step 4: Simplify right side
    12,996.72x = 80,130,015.65
  5. Step 5: Solve for x
    x = 80,130,015.65/12,996.72
  6. Step 6: Final answer
    x = 6,165.40

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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.