Home / 13,284.17-19,923.06-3,921.67

Finding the Fourth Proportional to 13,284.17, 19,923.06 and 3,921.67

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Solution

The fourth proportional to 13,284.17, 19,923.06 and 3,921.67 is: 5,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.17 : 19,923.06 = 3,921.67 : x
  2. Step 2: Convert to fraction form
    13,284.17/19,923.06 = 3,921.67/x
  3. Step 3: Cross multiply
    13,284.17x = 19,923.06 × 3,921.67
  4. Step 4: Simplify right side
    13,284.17x = 78,131,666.71
  5. Step 5: Solve for x
    x = 78,131,666.71/13,284.17
  6. Step 6: Final answer
    x = 5,881.56

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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.