Home / 14,487.18-21,729.69-4,627.50

Finding the Fourth Proportional to 14,487.18, 21,729.69 and 4,627.50

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Solution

The fourth proportional to 14,487.18, 21,729.69 and 4,627.50 is: 6,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.18 : 21,729.69 = 4,627.50 : x
  2. Step 2: Convert to fraction form
    14,487.18/21,729.69 = 4,627.50/x
  3. Step 3: Cross multiply
    14,487.18x = 21,729.69 × 4,627.50
  4. Step 4: Simplify right side
    14,487.18x = 100,554,140.48
  5. Step 5: Solve for x
    x = 100,554,140.48/14,487.18
  6. Step 6: Final answer
    x = 6,940.91

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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.