Home / 12,577.19-17,356.86-6,912.27

Finding the Fourth Proportional to 12,577.19, 17,356.86 and 6,912.27

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Solution

The fourth proportional to 12,577.19, 17,356.86 and 6,912.27 is: 9,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.19 : 17,356.86 = 6,912.27 : x
  2. Step 2: Convert to fraction form
    12,577.19/17,356.86 = 6,912.27/x
  3. Step 3: Cross multiply
    12,577.19x = 17,356.86 × 6,912.27
  4. Step 4: Simplify right side
    12,577.19x = 119,975,302.67
  5. Step 5: Solve for x
    x = 119,975,302.67/12,577.19
  6. Step 6: Final answer
    x = 9,539.12

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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.