Home / 11,802.96-16,293.96-9,144.36

Finding the Fourth Proportional to 11,802.96, 16,293.96 and 9,144.36

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Solution

The fourth proportional to 11,802.96, 16,293.96 and 9,144.36 is: 12,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.96 : 16,293.96 = 9,144.36 : x
  2. Step 2: Convert to fraction form
    11,802.96/16,293.96 = 9,144.36/x
  3. Step 3: Cross multiply
    11,802.96x = 16,293.96 × 9,144.36
  4. Step 4: Simplify right side
    11,802.96x = 148,997,836.07
  5. Step 5: Solve for x
    x = 148,997,836.07/11,802.96
  6. Step 6: Final answer
    x = 12,623.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.