Home / 10,928.39-16,408.98-6,253.67

Finding the Fourth Proportional to 10,928.39, 16,408.98 and 6,253.67

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Solution

The fourth proportional to 10,928.39, 16,408.98 and 6,253.67 is: 9,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.39 : 16,408.98 = 6,253.67 : x
  2. Step 2: Convert to fraction form
    10,928.39/16,408.98 = 6,253.67/x
  3. Step 3: Cross multiply
    10,928.39x = 16,408.98 × 6,253.67
  4. Step 4: Simplify right side
    10,928.39x = 102,616,386.98
  5. Step 5: Solve for x
    x = 102,616,386.98/10,928.39
  6. Step 6: Final answer
    x = 9,389.89

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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.