Home / 11,769.19-17,657.83-7,381.51

Finding the Fourth Proportional to 11,769.19, 17,657.83 and 7,381.51

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Solution

The fourth proportional to 11,769.19, 17,657.83 and 7,381.51 is: 11,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.19 : 17,657.83 = 7,381.51 : x
  2. Step 2: Convert to fraction form
    11,769.19/17,657.83 = 7,381.51/x
  3. Step 3: Cross multiply
    11,769.19x = 17,657.83 × 7,381.51
  4. Step 4: Simplify right side
    11,769.19x = 130,341,448.72
  5. Step 5: Solve for x
    x = 130,341,448.72/11,769.19
  6. Step 6: Final answer
    x = 11,074.80

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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.