Home / 14,236.95-21,357.65-6,840.03

Finding the Fourth Proportional to 14,236.95, 21,357.65 and 6,840.03

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Solution

The fourth proportional to 14,236.95, 21,357.65 and 6,840.03 is: 10,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.95 : 21,357.65 = 6,840.03 : x
  2. Step 2: Convert to fraction form
    14,236.95/21,357.65 = 6,840.03/x
  3. Step 3: Cross multiply
    14,236.95x = 21,357.65 × 6,840.03
  4. Step 4: Simplify right side
    14,236.95x = 146,086,932.53
  5. Step 5: Solve for x
    x = 146,086,932.53/14,236.95
  6. Step 6: Final answer
    x = 10,261.11

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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.