Home / 19,794.40-29,709.30-10,440.52

Finding the Fourth Proportional to 19,794.40, 29,709.30 and 10,440.52

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Solution

The fourth proportional to 19,794.40, 29,709.30 and 10,440.52 is: 15,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794.40 : 29,709.30 = 10,440.52 : x
  2. Step 2: Convert to fraction form
    19,794.40/29,709.30 = 10,440.52/x
  3. Step 3: Cross multiply
    19,794.40x = 29,709.30 × 10,440.52
  4. Step 4: Simplify right side
    19,794.40x = 310,180,540.84
  5. Step 5: Solve for x
    x = 310,180,540.84/19,794.40
  6. Step 6: Final answer
    x = 15,670.12

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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.