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Finding the Fourth Proportional to 9,059.63, 13,596.80 and 4,678.34

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Solution

The fourth proportional to 9,059.63, 13,596.80 and 4,678.34 is: 7,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.63 : 13,596.80 = 4,678.34 : x
  2. Step 2: Convert to fraction form
    9,059.63/13,596.80 = 4,678.34/x
  3. Step 3: Cross multiply
    9,059.63x = 13,596.80 × 4,678.34
  4. Step 4: Simplify right side
    9,059.63x = 63,610,361.94
  5. Step 5: Solve for x
    x = 63,610,361.94/9,059.63
  6. Step 6: Final answer
    x = 7,021.30

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1.5x scale

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.