Home / 12,223.02-18,334.41-4,830.90

Finding the Fourth Proportional to 12,223.02, 18,334.41 and 4,830.90

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Solution

The fourth proportional to 12,223.02, 18,334.41 and 4,830.90 is: 7,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.02 : 18,334.41 = 4,830.90 : x
  2. Step 2: Convert to fraction form
    12,223.02/18,334.41 = 4,830.90/x
  3. Step 3: Cross multiply
    12,223.02x = 18,334.41 × 4,830.90
  4. Step 4: Simplify right side
    12,223.02x = 88,571,701.27
  5. Step 5: Solve for x
    x = 88,571,701.27/12,223.02
  6. Step 6: Final answer
    x = 7,246.30

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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.