Home / 22,334.74-30,822.48-12,643.42

Finding the Fourth Proportional to 22,334.74, 30,822.48 and 12,643.42

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Solution

The fourth proportional to 22,334.74, 30,822.48 and 12,643.42 is: 17,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.74 : 30,822.48 = 12,643.42 : x
  2. Step 2: Convert to fraction form
    22,334.74/30,822.48 = 12,643.42/x
  3. Step 3: Cross multiply
    22,334.74x = 30,822.48 × 12,643.42
  4. Step 4: Simplify right side
    22,334.74x = 389,701,560.08
  5. Step 5: Solve for x
    x = 389,701,560.08/22,334.74
  6. Step 6: Final answer
    x = 17,448.22

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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.