Home / 12,577.73-17,356.42-6,912.35

Finding the Fourth Proportional to 12,577.73, 17,356.42 and 6,912.35

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Solution

The fourth proportional to 12,577.73, 17,356.42 and 6,912.35 is: 9,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.73 : 17,356.42 = 6,912.35 : x
  2. Step 2: Convert to fraction form
    12,577.73/17,356.42 = 6,912.35/x
  3. Step 3: Cross multiply
    12,577.73x = 17,356.42 × 6,912.35
  4. Step 4: Simplify right side
    12,577.73x = 119,973,610.81
  5. Step 5: Solve for x
    x = 119,973,610.81/12,577.73
  6. Step 6: Final answer
    x = 9,538.58

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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.