Home / 22,041.03-30,415.59-11,969.40

Finding the Fourth Proportional to 22,041.03, 30,415.59 and 11,969.40

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Solution

The fourth proportional to 22,041.03, 30,415.59 and 11,969.40 is: 16,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.03 : 30,415.59 = 11,969.40 : x
  2. Step 2: Convert to fraction form
    22,041.03/30,415.59 = 11,969.40/x
  3. Step 3: Cross multiply
    22,041.03x = 30,415.59 × 11,969.40
  4. Step 4: Simplify right side
    22,041.03x = 364,056,362.95
  5. Step 5: Solve for x
    x = 364,056,362.95/22,041.03
  6. Step 6: Final answer
    x = 16,517.21

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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.