Home / 22,155.52-30,577.86-13,208.26

Finding the Fourth Proportional to 22,155.52, 30,577.86 and 13,208.26

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Solution

The fourth proportional to 22,155.52, 30,577.86 and 13,208.26 is: 18,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.52 : 30,577.86 = 13,208.26 : x
  2. Step 2: Convert to fraction form
    22,155.52/30,577.86 = 13,208.26/x
  3. Step 3: Cross multiply
    22,155.52x = 30,577.86 × 13,208.26
  4. Step 4: Simplify right side
    22,155.52x = 403,880,325.12
  5. Step 5: Solve for x
    x = 403,880,325.12/22,155.52
  6. Step 6: Final answer
    x = 18,229.33

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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.