Home / 8,917.48-13,368.68-5,623.31

Finding the Fourth Proportional to 8,917.48, 13,368.68 and 5,623.31

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Solution

The fourth proportional to 8,917.48, 13,368.68 and 5,623.31 is: 8,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.48 : 13,368.68 = 5,623.31 : x
  2. Step 2: Convert to fraction form
    8,917.48/13,368.68 = 5,623.31/x
  3. Step 3: Cross multiply
    8,917.48x = 13,368.68 × 5,623.31
  4. Step 4: Simplify right side
    8,917.48x = 75,176,231.93
  5. Step 5: Solve for x
    x = 75,176,231.93/8,917.48
  6. Step 6: Final answer
    x = 8,430.21

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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.