Home / 12,012.64-16,577.32-6,707.56

Finding the Fourth Proportional to 12,012.64, 16,577.32 and 6,707.56

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Solution

The fourth proportional to 12,012.64, 16,577.32 and 6,707.56 is: 9,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.64 : 16,577.32 = 6,707.56 : x
  2. Step 2: Convert to fraction form
    12,012.64/16,577.32 = 6,707.56/x
  3. Step 3: Cross multiply
    12,012.64x = 16,577.32 × 6,707.56
  4. Step 4: Simplify right side
    12,012.64x = 111,193,368.54
  5. Step 5: Solve for x
    x = 111,193,368.54/12,012.64
  6. Step 6: Final answer
    x = 9,256.36

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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.