Home / 11,412.45-15,747.61-6,376.04

Finding the Fourth Proportional to 11,412.45, 15,747.61 and 6,376.04

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Solution

The fourth proportional to 11,412.45, 15,747.61 and 6,376.04 is: 8,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.45 : 15,747.61 = 6,376.04 : x
  2. Step 2: Convert to fraction form
    11,412.45/15,747.61 = 6,376.04/x
  3. Step 3: Cross multiply
    11,412.45x = 15,747.61 × 6,376.04
  4. Step 4: Simplify right side
    11,412.45x = 100,407,391.26
  5. Step 5: Solve for x
    x = 100,407,391.26/11,412.45
  6. Step 6: Final answer
    x = 8,798.06

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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.