Home / 22,360.54-30,858.13-12,289.25

Finding the Fourth Proportional to 22,360.54, 30,858.13 and 12,289.25

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Solution

The fourth proportional to 22,360.54, 30,858.13 and 12,289.25 is: 16,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.54 : 30,858.13 = 12,289.25 : x
  2. Step 2: Convert to fraction form
    22,360.54/30,858.13 = 12,289.25/x
  3. Step 3: Cross multiply
    22,360.54x = 30,858.13 × 12,289.25
  4. Step 4: Simplify right side
    22,360.54x = 379,223,119.81
  5. Step 5: Solve for x
    x = 379,223,119.81/22,360.54
  6. Step 6: Final answer
    x = 16,959.48

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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.