Home / 14,245.93-21,351.82-6,636.95

Finding the Fourth Proportional to 14,245.93, 21,351.82 and 6,636.95

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Solution

The fourth proportional to 14,245.93, 21,351.82 and 6,636.95 is: 9,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.93 : 21,351.82 = 6,636.95 : x
  2. Step 2: Convert to fraction form
    14,245.93/21,351.82 = 6,636.95/x
  3. Step 3: Cross multiply
    14,245.93x = 21,351.82 × 6,636.95
  4. Step 4: Simplify right side
    14,245.93x = 141,710,961.75
  5. Step 5: Solve for x
    x = 141,710,961.75/14,245.93
  6. Step 6: Final answer
    x = 9,947.47

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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.