Home / 14,377.95-19,840.68-8,409.26

Finding the Fourth Proportional to 14,377.95, 19,840.68 and 8,409.26

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Solution

The fourth proportional to 14,377.95, 19,840.68 and 8,409.26 is: 11,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.95 : 19,840.68 = 8,409.26 : x
  2. Step 2: Convert to fraction form
    14,377.95/19,840.68 = 8,409.26/x
  3. Step 3: Cross multiply
    14,377.95x = 19,840.68 × 8,409.26
  4. Step 4: Simplify right side
    14,377.95x = 166,845,486.30
  5. Step 5: Solve for x
    x = 166,845,486.30/14,377.95
  6. Step 6: Final answer
    x = 11,604.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.