Home / 10,969.80-16,454.70-3,072.30

Finding the Fourth Proportional to 10,969.80, 16,454.70 and 3,072.30

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Solution

The fourth proportional to 10,969.80, 16,454.70 and 3,072.30 is: 4,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.80 : 16,454.70 = 3,072.30 : x
  2. Step 2: Convert to fraction form
    10,969.80/16,454.70 = 3,072.30/x
  3. Step 3: Cross multiply
    10,969.80x = 16,454.70 × 3,072.30
  4. Step 4: Simplify right side
    10,969.80x = 50,553,774.81
  5. Step 5: Solve for x
    x = 50,553,774.81/10,969.80
  6. Step 6: Final answer
    x = 4,608.45

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1.5x scale

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.