Home / 22,071.25-30,458.33-12,135.25

Finding the Fourth Proportional to 22,071.25, 30,458.33 and 12,135.25

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Solution

The fourth proportional to 22,071.25, 30,458.33 and 12,135.25 is: 16,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.25 : 30,458.33 = 12,135.25 : x
  2. Step 2: Convert to fraction form
    22,071.25/30,458.33 = 12,135.25/x
  3. Step 3: Cross multiply
    22,071.25x = 30,458.33 × 12,135.25
  4. Step 4: Simplify right side
    22,071.25x = 369,619,449.13
  5. Step 5: Solve for x
    x = 369,619,449.13/22,071.25
  6. Step 6: Final answer
    x = 16,746.65

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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.