Home / 22,112.80-30,515.34-12,041.08

Finding the Fourth Proportional to 22,112.80, 30,515.34 and 12,041.08

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Solution

The fourth proportional to 22,112.80, 30,515.34 and 12,041.08 is: 16,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.80 : 30,515.34 = 12,041.08 : x
  2. Step 2: Convert to fraction form
    22,112.80/30,515.34 = 12,041.08/x
  3. Step 3: Cross multiply
    22,112.80x = 30,515.34 × 12,041.08
  4. Step 4: Simplify right side
    22,112.80x = 367,437,650.17
  5. Step 5: Solve for x
    x = 367,437,650.17/22,112.80
  6. Step 6: Final answer
    x = 16,616.51

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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.