Home / 22,018.81-33,031.66-7,224.36

Finding the Fourth Proportional to 22,018.81, 33,031.66 and 7,224.36

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Solution

The fourth proportional to 22,018.81, 33,031.66 and 7,224.36 is: 10,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.81 : 33,031.66 = 7,224.36 : x
  2. Step 2: Convert to fraction form
    22,018.81/33,031.66 = 7,224.36/x
  3. Step 3: Cross multiply
    22,018.81x = 33,031.66 × 7,224.36
  4. Step 4: Simplify right side
    22,018.81x = 238,632,697.43
  5. Step 5: Solve for x
    x = 238,632,697.43/22,018.81
  6. Step 6: Final answer
    x = 10,837.67

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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.