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Finding the Fourth Proportional to 9,695.70, 14,558.40 and 5,321.70

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Solution

The fourth proportional to 9,695.70, 14,558.40 and 5,321.70 is: 7,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.70 : 14,558.40 = 5,321.70 : x
  2. Step 2: Convert to fraction form
    9,695.70/14,558.40 = 5,321.70/x
  3. Step 3: Cross multiply
    9,695.70x = 14,558.40 × 5,321.70
  4. Step 4: Simplify right side
    9,695.70x = 77,475,437.28
  5. Step 5: Solve for x
    x = 77,475,437.28/9,695.70
  6. Step 6: Final answer
    x = 7,990.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.