Home / 13,756.04-18,973.62-8,453.84

Finding the Fourth Proportional to 13,756.04, 18,973.62 and 8,453.84

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Solution

The fourth proportional to 13,756.04, 18,973.62 and 8,453.84 is: 11,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.04 : 18,973.62 = 8,453.84 : x
  2. Step 2: Convert to fraction form
    13,756.04/18,973.62 = 8,453.84/x
  3. Step 3: Cross multiply
    13,756.04x = 18,973.62 × 8,453.84
  4. Step 4: Simplify right side
    13,756.04x = 160,399,947.70
  5. Step 5: Solve for x
    x = 160,399,947.70/13,756.04
  6. Step 6: Final answer
    x = 11,660.33

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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.