Home / 17,756.81-26,632.70-7,231.42

Finding the Fourth Proportional to 17,756.81, 26,632.70 and 7,231.42

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Solution

The fourth proportional to 17,756.81, 26,632.70 and 7,231.42 is: 10,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756.81 : 26,632.70 = 7,231.42 : x
  2. Step 2: Convert to fraction form
    17,756.81/26,632.70 = 7,231.42/x
  3. Step 3: Cross multiply
    17,756.81x = 26,632.70 × 7,231.42
  4. Step 4: Simplify right side
    17,756.81x = 192,592,263.69
  5. Step 5: Solve for x
    x = 192,592,263.69/17,756.81
  6. Step 6: Final answer
    x = 10,846.11

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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.