Home / 11,769.05-17,717.70-10,162.01

Finding the Fourth Proportional to 11,769.05, 17,717.70 and 10,162.01

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Solution

The fourth proportional to 11,769.05, 17,717.70 and 10,162.01 is: 15,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.05 : 17,717.70 = 10,162.01 : x
  2. Step 2: Convert to fraction form
    11,769.05/17,717.70 = 10,162.01/x
  3. Step 3: Cross multiply
    11,769.05x = 17,717.70 × 10,162.01
  4. Step 4: Simplify right side
    11,769.05x = 180,047,393.77
  5. Step 5: Solve for x
    x = 180,047,393.77/11,769.05
  6. Step 6: Final answer
    x = 15,298.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.