Home / 11,242.09-16,838.08-7,945.19

Finding the Fourth Proportional to 11,242.09, 16,838.08 and 7,945.19

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Solution

The fourth proportional to 11,242.09, 16,838.08 and 7,945.19 is: 11,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.09 : 16,838.08 = 7,945.19 : x
  2. Step 2: Convert to fraction form
    11,242.09/16,838.08 = 7,945.19/x
  3. Step 3: Cross multiply
    11,242.09x = 16,838.08 × 7,945.19
  4. Step 4: Simplify right side
    11,242.09x = 133,781,703.92
  5. Step 5: Solve for x
    x = 133,781,703.92/11,242.09
  6. Step 6: Final answer
    x = 11,900.07

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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.