Home / 9,709.55-14,567.51-3,135.79

Finding the Fourth Proportional to 9,709.55, 14,567.51 and 3,135.79

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Solution

The fourth proportional to 9,709.55, 14,567.51 and 3,135.79 is: 4,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.55 : 14,567.51 = 3,135.79 : x
  2. Step 2: Convert to fraction form
    9,709.55/14,567.51 = 3,135.79/x
  3. Step 3: Cross multiply
    9,709.55x = 14,567.51 × 3,135.79
  4. Step 4: Simplify right side
    9,709.55x = 45,680,652.18
  5. Step 5: Solve for x
    x = 45,680,652.18/9,709.55
  6. Step 6: Final answer
    x = 4,704.71

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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.