Home / 14,140.33-21,206.99-4,780.14

Finding the Fourth Proportional to 14,140.33, 21,206.99 and 4,780.14

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Solution

The fourth proportional to 14,140.33, 21,206.99 and 4,780.14 is: 7,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.33 : 21,206.99 = 4,780.14 : x
  2. Step 2: Convert to fraction form
    14,140.33/21,206.99 = 4,780.14/x
  3. Step 3: Cross multiply
    14,140.33x = 21,206.99 × 4,780.14
  4. Step 4: Simplify right side
    14,140.33x = 101,372,381.18
  5. Step 5: Solve for x
    x = 101,372,381.18/14,140.33
  6. Step 6: Final answer
    x = 7,169.03

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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.