Home / 21,274.93-31,911.81-6,483.25

Finding the Fourth Proportional to 21,274.93, 31,911.81 and 6,483.25

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Solution

The fourth proportional to 21,274.93, 31,911.81 and 6,483.25 is: 9,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274.93 : 31,911.81 = 6,483.25 : x
  2. Step 2: Convert to fraction form
    21,274.93/31,911.81 = 6,483.25/x
  3. Step 3: Cross multiply
    21,274.93x = 31,911.81 × 6,483.25
  4. Step 4: Simplify right side
    21,274.93x = 206,892,242.18
  5. Step 5: Solve for x
    x = 206,892,242.18/21,274.93
  6. Step 6: Final answer
    x = 9,724.70

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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.