Home / 12,454.34-18,670.26-4,551.28

Finding the Fourth Proportional to 12,454.34, 18,670.26 and 4,551.28

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Solution

The fourth proportional to 12,454.34, 18,670.26 and 4,551.28 is: 6,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.34 : 18,670.26 = 4,551.28 : x
  2. Step 2: Convert to fraction form
    12,454.34/18,670.26 = 4,551.28/x
  3. Step 3: Cross multiply
    12,454.34x = 18,670.26 × 4,551.28
  4. Step 4: Simplify right side
    12,454.34x = 84,973,580.93
  5. Step 5: Solve for x
    x = 84,973,580.93/12,454.34
  6. Step 6: Final answer
    x = 6,822.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.