Home / 14,112.64-19,466.56-9,144.32

Finding the Fourth Proportional to 14,112.64, 19,466.56 and 9,144.32

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Solution

The fourth proportional to 14,112.64, 19,466.56 and 9,144.32 is: 12,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.64 : 19,466.56 = 9,144.32 : x
  2. Step 2: Convert to fraction form
    14,112.64/19,466.56 = 9,144.32/x
  3. Step 3: Cross multiply
    14,112.64x = 19,466.56 × 9,144.32
  4. Step 4: Simplify right side
    14,112.64x = 178,008,453.94
  5. Step 5: Solve for x
    x = 178,008,453.94/14,112.64
  6. Step 6: Final answer
    x = 12,613.41

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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.