Home / 13,470.84-20,206.26-3,610.17

Finding the Fourth Proportional to 13,470.84, 20,206.26 and 3,610.17

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Solution

The fourth proportional to 13,470.84, 20,206.26 and 3,610.17 is: 5,415.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.84 : 20,206.26 = 3,610.17 : x
  2. Step 2: Convert to fraction form
    13,470.84/20,206.26 = 3,610.17/x
  3. Step 3: Cross multiply
    13,470.84x = 20,206.26 × 3,610.17
  4. Step 4: Simplify right side
    13,470.84x = 72,948,033.66
  5. Step 5: Solve for x
    x = 72,948,033.66/13,470.84
  6. Step 6: Final answer
    x = 5,415.26

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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.