Home / 10,989.07-16,487.93-4,828.75

Finding the Fourth Proportional to 10,989.07, 16,487.93 and 4,828.75

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Solution

The fourth proportional to 10,989.07, 16,487.93 and 4,828.75 is: 7,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.07 : 16,487.93 = 4,828.75 : x
  2. Step 2: Convert to fraction form
    10,989.07/16,487.93 = 4,828.75/x
  3. Step 3: Cross multiply
    10,989.07x = 16,487.93 × 4,828.75
  4. Step 4: Simplify right side
    10,989.07x = 79,616,091.99
  5. Step 5: Solve for x
    x = 79,616,091.99/10,989.07
  6. Step 6: Final answer
    x = 7,245.03

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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.