Home / 21,262.67-29,311.74-14,080.53

Finding the Fourth Proportional to 21,262.67, 29,311.74 and 14,080.53

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Solution

The fourth proportional to 21,262.67, 29,311.74 and 14,080.53 is: 19,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.67 : 29,311.74 = 14,080.53 : x
  2. Step 2: Convert to fraction form
    21,262.67/29,311.74 = 14,080.53/x
  3. Step 3: Cross multiply
    21,262.67x = 29,311.74 × 14,080.53
  4. Step 4: Simplify right side
    21,262.67x = 412,724,944.34
  5. Step 5: Solve for x
    x = 412,724,944.34/21,262.67
  6. Step 6: Final answer
    x = 19,410.78

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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.