Home / 14,238.18-21,351.99-8,317.08

Finding the Fourth Proportional to 14,238.18, 21,351.99 and 8,317.08

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Solution

The fourth proportional to 14,238.18, 21,351.99 and 8,317.08 is: 12,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.18 : 21,351.99 = 8,317.08 : x
  2. Step 2: Convert to fraction form
    14,238.18/21,351.99 = 8,317.08/x
  3. Step 3: Cross multiply
    14,238.18x = 21,351.99 × 8,317.08
  4. Step 4: Simplify right side
    14,238.18x = 177,586,208.99
  5. Step 5: Solve for x
    x = 177,586,208.99/14,238.18
  6. Step 6: Final answer
    x = 12,472.54

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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.