Home / 12,492.37-17,237.81-8,022.18

Finding the Fourth Proportional to 12,492.37, 17,237.81 and 8,022.18

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Solution

The fourth proportional to 12,492.37, 17,237.81 and 8,022.18 is: 11,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.37 : 17,237.81 = 8,022.18 : x
  2. Step 2: Convert to fraction form
    12,492.37/17,237.81 = 8,022.18/x
  3. Step 3: Cross multiply
    12,492.37x = 17,237.81 × 8,022.18
  4. Step 4: Simplify right side
    12,492.37x = 138,284,728.44
  5. Step 5: Solve for x
    x = 138,284,728.44/12,492.37
  6. Step 6: Final answer
    x = 11,069.54

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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.