Home / 12,156.06-18,223.08-4,363.02

Finding the Fourth Proportional to 12,156.06, 18,223.08 and 4,363.02

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Solution

The fourth proportional to 12,156.06, 18,223.08 and 4,363.02 is: 6,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.06 : 18,223.08 = 4,363.02 : x
  2. Step 2: Convert to fraction form
    12,156.06/18,223.08 = 4,363.02/x
  3. Step 3: Cross multiply
    12,156.06x = 18,223.08 × 4,363.02
  4. Step 4: Simplify right side
    12,156.06x = 79,507,662.50
  5. Step 5: Solve for x
    x = 79,507,662.50/12,156.06
  6. Step 6: Final answer
    x = 6,540.58

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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.