Home / 14,678.44-20,255.79-8,304.55

Finding the Fourth Proportional to 14,678.44, 20,255.79 and 8,304.55

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Solution

The fourth proportional to 14,678.44, 20,255.79 and 8,304.55 is: 11,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.44 : 20,255.79 = 8,304.55 : x
  2. Step 2: Convert to fraction form
    14,678.44/20,255.79 = 8,304.55/x
  3. Step 3: Cross multiply
    14,678.44x = 20,255.79 × 8,304.55
  4. Step 4: Simplify right side
    14,678.44x = 168,215,220.84
  5. Step 5: Solve for x
    x = 168,215,220.84/14,678.44
  6. Step 6: Final answer
    x = 11,460.02

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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.