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Finding the Fourth Proportional to 9,374.55, 14,059.80 and 4,109.55

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Solution

The fourth proportional to 9,374.55, 14,059.80 and 4,109.55 is: 6,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.55 : 14,059.80 = 4,109.55 : x
  2. Step 2: Convert to fraction form
    9,374.55/14,059.80 = 4,109.55/x
  3. Step 3: Cross multiply
    9,374.55x = 14,059.80 × 4,109.55
  4. Step 4: Simplify right side
    9,374.55x = 57,779,451.09
  5. Step 5: Solve for x
    x = 57,779,451.09/9,374.55
  6. Step 6: Final answer
    x = 6,163.44

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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.