Home / 14,428.40-21,639.48-4,568.48

Finding the Fourth Proportional to 14,428.40, 21,639.48 and 4,568.48

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Solution

The fourth proportional to 14,428.40, 21,639.48 and 4,568.48 is: 6,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.40 : 21,639.48 = 4,568.48 : x
  2. Step 2: Convert to fraction form
    14,428.40/21,639.48 = 4,568.48/x
  3. Step 3: Cross multiply
    14,428.40x = 21,639.48 × 4,568.48
  4. Step 4: Simplify right side
    14,428.40x = 98,859,531.59
  5. Step 5: Solve for x
    x = 98,859,531.59/14,428.40
  6. Step 6: Final answer
    x = 6,851.73

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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.