Home / 21,274.55-31,916.43-6,483.08

Finding the Fourth Proportional to 21,274.55, 31,916.43 and 6,483.08

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Solution

The fourth proportional to 21,274.55, 31,916.43 and 6,483.08 is: 9,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274.55 : 31,916.43 = 6,483.08 : x
  2. Step 2: Convert to fraction form
    21,274.55/31,916.43 = 6,483.08/x
  3. Step 3: Cross multiply
    21,274.55x = 31,916.43 × 6,483.08
  4. Step 4: Simplify right side
    21,274.55x = 206,916,769.00
  5. Step 5: Solve for x
    x = 206,916,769.00/21,274.55
  6. Step 6: Final answer
    x = 9,726.02

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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.