Home / 10,485.07-14,469.62-5,769.35

Finding the Fourth Proportional to 10,485.07, 14,469.62 and 5,769.35

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Solution

The fourth proportional to 10,485.07, 14,469.62 and 5,769.35 is: 7,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.07 : 14,469.62 = 5,769.35 : x
  2. Step 2: Convert to fraction form
    10,485.07/14,469.62 = 5,769.35/x
  3. Step 3: Cross multiply
    10,485.07x = 14,469.62 × 5,769.35
  4. Step 4: Simplify right side
    10,485.07x = 83,480,352.70
  5. Step 5: Solve for x
    x = 83,480,352.70/10,485.07
  6. Step 6: Final answer
    x = 7,961.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.