Home / 14,014-21,024.33-4,780

Finding the Fourth Proportional to 14,014, 21,024.33 and 4,780

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Solution

The fourth proportional to 14,014, 21,024.33 and 4,780 is: 7,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014 : 21,024.33 = 4,780 : x
  2. Step 2: Convert to fraction form
    14,014/21,024.33 = 4,780/x
  3. Step 3: Cross multiply
    14,014x = 21,024.33 × 4,780
  4. Step 4: Simplify right side
    14,014x = 100,496,297.40
  5. Step 5: Solve for x
    x = 100,496,297.40/14,014
  6. Step 6: Final answer
    x = 7,171.14

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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.