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Finding the Fourth Proportional to 15,386.58, 23,086.35 and 9,158.58

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Solution

The fourth proportional to 15,386.58, 23,086.35 and 9,158.58 is: 13,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.58 : 23,086.35 = 9,158.58 : x
  2. Step 2: Convert to fraction form
    15,386.58/23,086.35 = 9,158.58/x
  3. Step 3: Cross multiply
    15,386.58x = 23,086.35 × 9,158.58
  4. Step 4: Simplify right side
    15,386.58x = 211,438,183.38
  5. Step 5: Solve for x
    x = 211,438,183.38/15,386.58
  6. Step 6: Final answer
    x = 13,741.73

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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.