Home / 14,242.43-21,340.21-4,877.28

Finding the Fourth Proportional to 14,242.43, 21,340.21 and 4,877.28

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Solution

The fourth proportional to 14,242.43, 21,340.21 and 4,877.28 is: 7,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.43 : 21,340.21 = 4,877.28 : x
  2. Step 2: Convert to fraction form
    14,242.43/21,340.21 = 4,877.28/x
  3. Step 3: Cross multiply
    14,242.43x = 21,340.21 × 4,877.28
  4. Step 4: Simplify right side
    14,242.43x = 104,082,179.43
  5. Step 5: Solve for x
    x = 104,082,179.43/14,242.43
  6. Step 6: Final answer
    x = 7,307.90

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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.