Home / 13,767.36-20,641.32-6,838.08

Finding the Fourth Proportional to 13,767.36, 20,641.32 and 6,838.08

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Solution

The fourth proportional to 13,767.36, 20,641.32 and 6,838.08 is: 10,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.36 : 20,641.32 = 6,838.08 : x
  2. Step 2: Convert to fraction form
    13,767.36/20,641.32 = 6,838.08/x
  3. Step 3: Cross multiply
    13,767.36x = 20,641.32 × 6,838.08
  4. Step 4: Simplify right side
    13,767.36x = 141,146,997.47
  5. Step 5: Solve for x
    x = 141,146,997.47/13,767.36
  6. Step 6: Final answer
    x = 10,252.29

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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.