Home / 22,112.81-30,515.30-12,041.07

Finding the Fourth Proportional to 22,112.81, 30,515.30 and 12,041.07

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Solution

The fourth proportional to 22,112.81, 30,515.30 and 12,041.07 is: 16,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.81 : 30,515.30 = 12,041.07 : x
  2. Step 2: Convert to fraction form
    22,112.81/30,515.30 = 12,041.07/x
  3. Step 3: Cross multiply
    22,112.81x = 30,515.30 × 12,041.07
  4. Step 4: Simplify right side
    22,112.81x = 367,436,905.54
  5. Step 5: Solve for x
    x = 367,436,905.54/22,112.81
  6. Step 6: Final answer
    x = 16,616.47

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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.