Home / 22,063.55-30,448.44-12,987.27

Finding the Fourth Proportional to 22,063.55, 30,448.44 and 12,987.27

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Solution

The fourth proportional to 22,063.55, 30,448.44 and 12,987.27 is: 17,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063.55 : 30,448.44 = 12,987.27 : x
  2. Step 2: Convert to fraction form
    22,063.55/30,448.44 = 12,987.27/x
  3. Step 3: Cross multiply
    22,063.55x = 30,448.44 × 12,987.27
  4. Step 4: Simplify right side
    22,063.55x = 395,442,111.36
  5. Step 5: Solve for x
    x = 395,442,111.36/22,063.55
  6. Step 6: Final answer
    x = 17,922.87

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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.