Home / 10,928.03-16,389.60-4,264.70

Finding the Fourth Proportional to 10,928.03, 16,389.60 and 4,264.70

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Solution

The fourth proportional to 10,928.03, 16,389.60 and 4,264.70 is: 6,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.03 : 16,389.60 = 4,264.70 : x
  2. Step 2: Convert to fraction form
    10,928.03/16,389.60 = 4,264.70/x
  3. Step 3: Cross multiply
    10,928.03x = 16,389.60 × 4,264.70
  4. Step 4: Simplify right side
    10,928.03x = 69,896,645.17
  5. Step 5: Solve for x
    x = 69,896,645.17/10,928.03
  6. Step 6: Final answer
    x = 6,396.09

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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.