Home / 14,277.58-21,411.09-4,915.02

Finding the Fourth Proportional to 14,277.58, 21,411.09 and 4,915.02

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Solution

The fourth proportional to 14,277.58, 21,411.09 and 4,915.02 is: 7,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.58 : 21,411.09 = 4,915.02 : x
  2. Step 2: Convert to fraction form
    14,277.58/21,411.09 = 4,915.02/x
  3. Step 3: Cross multiply
    14,277.58x = 21,411.09 × 4,915.02
  4. Step 4: Simplify right side
    14,277.58x = 105,235,935.57
  5. Step 5: Solve for x
    x = 105,235,935.57/14,277.58
  6. Step 6: Final answer
    x = 7,370.71

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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.