Home / 12,001.07-18,004.99-4,105.29

Finding the Fourth Proportional to 12,001.07, 18,004.99 and 4,105.29

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Solution

The fourth proportional to 12,001.07, 18,004.99 and 4,105.29 is: 6,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.07 : 18,004.99 = 4,105.29 : x
  2. Step 2: Convert to fraction form
    12,001.07/18,004.99 = 4,105.29/x
  3. Step 3: Cross multiply
    12,001.07x = 18,004.99 × 4,105.29
  4. Step 4: Simplify right side
    12,001.07x = 73,915,705.40
  5. Step 5: Solve for x
    x = 73,915,705.40/12,001.07
  6. Step 6: Final answer
    x = 6,159.10

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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.