Home / 14,299.12-21,448.86-6,902.20

Finding the Fourth Proportional to 14,299.12, 21,448.86 and 6,902.20

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Solution

The fourth proportional to 14,299.12, 21,448.86 and 6,902.20 is: 10,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.12 : 21,448.86 = 6,902.20 : x
  2. Step 2: Convert to fraction form
    14,299.12/21,448.86 = 6,902.20/x
  3. Step 3: Cross multiply
    14,299.12x = 21,448.86 × 6,902.20
  4. Step 4: Simplify right side
    14,299.12x = 148,044,321.49
  5. Step 5: Solve for x
    x = 148,044,321.49/14,299.12
  6. Step 6: Final answer
    x = 10,353.39

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1.5x scale

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.