Home / 22,362.60-30,860.75-12,802.45

Finding the Fourth Proportional to 22,362.60, 30,860.75 and 12,802.45

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Solution

The fourth proportional to 22,362.60, 30,860.75 and 12,802.45 is: 17,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.60 : 30,860.75 = 12,802.45 : x
  2. Step 2: Convert to fraction form
    22,362.60/30,860.75 = 12,802.45/x
  3. Step 3: Cross multiply
    22,362.60x = 30,860.75 × 12,802.45
  4. Step 4: Simplify right side
    22,362.60x = 395,093,067.67
  5. Step 5: Solve for x
    x = 395,093,067.67/22,362.60
  6. Step 6: Final answer
    x = 17,667.58

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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.