Home / 22,153.84-30,570.60-12,725.44

Finding the Fourth Proportional to 22,153.84, 30,570.60 and 12,725.44

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Solution

The fourth proportional to 22,153.84, 30,570.60 and 12,725.44 is: 17,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.84 : 30,570.60 = 12,725.44 : x
  2. Step 2: Convert to fraction form
    22,153.84/30,570.60 = 12,725.44/x
  3. Step 3: Cross multiply
    22,153.84x = 30,570.60 × 12,725.44
  4. Step 4: Simplify right side
    22,153.84x = 389,024,336.06
  5. Step 5: Solve for x
    x = 389,024,336.06/22,153.84
  6. Step 6: Final answer
    x = 17,560.13

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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.