Home / 22,360.44-30,858.02-12,289.48

Finding the Fourth Proportional to 22,360.44, 30,858.02 and 12,289.48

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Solution

The fourth proportional to 22,360.44, 30,858.02 and 12,289.48 is: 16,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.44 : 30,858.02 = 12,289.48 : x
  2. Step 2: Convert to fraction form
    22,360.44/30,858.02 = 12,289.48/x
  3. Step 3: Cross multiply
    22,360.44x = 30,858.02 × 12,289.48
  4. Step 4: Simplify right side
    22,360.44x = 379,229,019.63
  5. Step 5: Solve for x
    x = 379,229,019.63/22,360.44
  6. Step 6: Final answer
    x = 16,959.82

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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.