Home / 9,688.20-14,564.70-8,262.60

Finding the Fourth Proportional to 9,688.20, 14,564.70 and 8,262.60

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Solution

The fourth proportional to 9,688.20, 14,564.70 and 8,262.60 is: 12,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.20 : 14,564.70 = 8,262.60 : x
  2. Step 2: Convert to fraction form
    9,688.20/14,564.70 = 8,262.60/x
  3. Step 3: Cross multiply
    9,688.20x = 14,564.70 × 8,262.60
  4. Step 4: Simplify right side
    9,688.20x = 120,342,290.22
  5. Step 5: Solve for x
    x = 120,342,290.22/9,688.20
  6. Step 6: Final answer
    x = 12,421.53

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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.