Home / 19,354.45-29,031.71-5,314.67

Finding the Fourth Proportional to 19,354.45, 29,031.71 and 5,314.67

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Solution

The fourth proportional to 19,354.45, 29,031.71 and 5,314.67 is: 7,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.45 : 29,031.71 = 5,314.67 : x
  2. Step 2: Convert to fraction form
    19,354.45/29,031.71 = 5,314.67/x
  3. Step 3: Cross multiply
    19,354.45x = 29,031.71 × 5,314.67
  4. Step 4: Simplify right side
    19,354.45x = 154,293,786.45
  5. Step 5: Solve for x
    x = 154,293,786.45/19,354.45
  6. Step 6: Final answer
    x = 7,972.01

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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.