Home / 14,256.29-21,384.44-7,724

Finding the Fourth Proportional to 14,256.29, 21,384.44 and 7,724

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Solution

The fourth proportional to 14,256.29, 21,384.44 and 7,724 is: 11,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.29 : 21,384.44 = 7,724 : x
  2. Step 2: Convert to fraction form
    14,256.29/21,384.44 = 7,724/x
  3. Step 3: Cross multiply
    14,256.29x = 21,384.44 × 7,724
  4. Step 4: Simplify right side
    14,256.29x = 165,173,414.56
  5. Step 5: Solve for x
    x = 165,173,414.56/14,256.29
  6. Step 6: Final answer
    x = 11,586.00

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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.