Home / 12,722.04-19,086.09-5,322.36

Finding the Fourth Proportional to 12,722.04, 19,086.09 and 5,322.36

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Solution

The fourth proportional to 12,722.04, 19,086.09 and 5,322.36 is: 7,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.04 : 19,086.09 = 5,322.36 : x
  2. Step 2: Convert to fraction form
    12,722.04/19,086.09 = 5,322.36/x
  3. Step 3: Cross multiply
    12,722.04x = 19,086.09 × 5,322.36
  4. Step 4: Simplify right side
    12,722.04x = 101,583,041.97
  5. Step 5: Solve for x
    x = 101,583,041.97/12,722.04
  6. Step 6: Final answer
    x = 7,984.81

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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.