Home / 12,558.36-17,330.48-6,893.12

Finding the Fourth Proportional to 12,558.36, 17,330.48 and 6,893.12

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Solution

The fourth proportional to 12,558.36, 17,330.48 and 6,893.12 is: 9,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.36 : 17,330.48 = 6,893.12 : x
  2. Step 2: Convert to fraction form
    12,558.36/17,330.48 = 6,893.12/x
  3. Step 3: Cross multiply
    12,558.36x = 17,330.48 × 6,893.12
  4. Step 4: Simplify right side
    12,558.36x = 119,461,078.30
  5. Step 5: Solve for x
    x = 119,461,078.30/12,558.36
  6. Step 6: Final answer
    x = 9,512.47

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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.