Home / 11,590.40-17,386.68-4,196.72

Finding the Fourth Proportional to 11,590.40, 17,386.68 and 4,196.72

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Solution

The fourth proportional to 11,590.40, 17,386.68 and 4,196.72 is: 6,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.40 : 17,386.68 = 4,196.72 : x
  2. Step 2: Convert to fraction form
    11,590.40/17,386.68 = 4,196.72/x
  3. Step 3: Cross multiply
    11,590.40x = 17,386.68 × 4,196.72
  4. Step 4: Simplify right side
    11,590.40x = 72,967,027.69
  5. Step 5: Solve for x
    x = 72,967,027.69/11,590.40
  6. Step 6: Final answer
    x = 6,295.47

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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.