Home / 11,657.93-17,477.36-5,421.83

Finding the Fourth Proportional to 11,657.93, 17,477.36 and 5,421.83

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Solution

The fourth proportional to 11,657.93, 17,477.36 and 5,421.83 is: 8,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.93 : 17,477.36 = 5,421.83 : x
  2. Step 2: Convert to fraction form
    11,657.93/17,477.36 = 5,421.83/x
  3. Step 3: Cross multiply
    11,657.93x = 17,477.36 × 5,421.83
  4. Step 4: Simplify right side
    11,657.93x = 94,759,160.27
  5. Step 5: Solve for x
    x = 94,759,160.27/11,657.93
  6. Step 6: Final answer
    x = 8,128.30

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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.