Home / 13,204.45-19,806.69-3,970.45

Finding the Fourth Proportional to 13,204.45, 19,806.69 and 3,970.45

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Solution

The fourth proportional to 13,204.45, 19,806.69 and 3,970.45 is: 5,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.45 : 19,806.69 = 3,970.45 : x
  2. Step 2: Convert to fraction form
    13,204.45/19,806.69 = 3,970.45/x
  3. Step 3: Cross multiply
    13,204.45x = 19,806.69 × 3,970.45
  4. Step 4: Simplify right side
    13,204.45x = 78,641,472.31
  5. Step 5: Solve for x
    x = 78,641,472.31/13,204.45
  6. Step 6: Final answer
    x = 5,955.68

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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.