Home / 9,176.42-12,663.63-5,197.52

Finding the Fourth Proportional to 9,176.42, 12,663.63 and 5,197.52

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Solution

The fourth proportional to 9,176.42, 12,663.63 and 5,197.52 is: 7,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.42 : 12,663.63 = 5,197.52 : x
  2. Step 2: Convert to fraction form
    9,176.42/12,663.63 = 5,197.52/x
  3. Step 3: Cross multiply
    9,176.42x = 12,663.63 × 5,197.52
  4. Step 4: Simplify right side
    9,176.42x = 65,819,470.20
  5. Step 5: Solve for x
    x = 65,819,470.20/9,176.42
  6. Step 6: Final answer
    x = 7,172.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.