Home / 22,069.06-30,465.12-13,119.46

Finding the Fourth Proportional to 22,069.06, 30,465.12 and 13,119.46

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Solution

The fourth proportional to 22,069.06, 30,465.12 and 13,119.46 is: 18,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.06 : 30,465.12 = 13,119.46 : x
  2. Step 2: Convert to fraction form
    22,069.06/30,465.12 = 13,119.46/x
  3. Step 3: Cross multiply
    22,069.06x = 30,465.12 × 13,119.46
  4. Step 4: Simplify right side
    22,069.06x = 399,685,923.24
  5. Step 5: Solve for x
    x = 399,685,923.24/22,069.06
  6. Step 6: Final answer
    x = 18,110.69

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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.