Home / 14,202.67-21,309.45-5,438.20

Finding the Fourth Proportional to 14,202.67, 21,309.45 and 5,438.20

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Solution

The fourth proportional to 14,202.67, 21,309.45 and 5,438.20 is: 8,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.67 : 21,309.45 = 5,438.20 : x
  2. Step 2: Convert to fraction form
    14,202.67/21,309.45 = 5,438.20/x
  3. Step 3: Cross multiply
    14,202.67x = 21,309.45 × 5,438.20
  4. Step 4: Simplify right side
    14,202.67x = 115,885,050.99
  5. Step 5: Solve for x
    x = 115,885,050.99/14,202.67
  6. Step 6: Final answer
    x = 8,159.38

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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.