Home / 12,722.20-19,076.29-10,106.44

Finding the Fourth Proportional to 12,722.20, 19,076.29 and 10,106.44

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Solution

The fourth proportional to 12,722.20, 19,076.29 and 10,106.44 is: 15,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.20 : 19,076.29 = 10,106.44 : x
  2. Step 2: Convert to fraction form
    12,722.20/19,076.29 = 10,106.44/x
  3. Step 3: Cross multiply
    12,722.20x = 19,076.29 × 10,106.44
  4. Step 4: Simplify right side
    12,722.20x = 192,793,307.35
  5. Step 5: Solve for x
    x = 192,793,307.35/12,722.20
  6. Step 6: Final answer
    x = 15,154.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.