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Finding the Fourth Proportional to 14,380, 21,570 and 4,652

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Solution

The fourth proportional to 14,380, 21,570 and 4,652 is: 6,978

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380 : 21,570 = 4,652 : x
  2. Step 2: Convert to fraction form
    14,380/21,570 = 4,652/x
  3. Step 3: Cross multiply
    14,380x = 21,570 × 4,652
  4. Step 4: Simplify right side
    14,380x = 100,343,640
  5. Step 5: Solve for x
    x = 100,343,640/14,380
  6. Step 6: Final answer
    x = 6,978

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.