Home / 19,303.21-28,898.48-11,885.41

Finding the Fourth Proportional to 19,303.21, 28,898.48 and 11,885.41

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Solution

The fourth proportional to 19,303.21, 28,898.48 and 11,885.41 is: 17,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.21 : 28,898.48 = 11,885.41 : x
  2. Step 2: Convert to fraction form
    19,303.21/28,898.48 = 11,885.41/x
  3. Step 3: Cross multiply
    19,303.21x = 28,898.48 × 11,885.41
  4. Step 4: Simplify right side
    19,303.21x = 343,470,223.75
  5. Step 5: Solve for x
    x = 343,470,223.75/19,303.21
  6. Step 6: Final answer
    x = 17,793.43

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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.