Home / 14,405.23-21,573.01-11,921.77

Finding the Fourth Proportional to 14,405.23, 21,573.01 and 11,921.77

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Solution

The fourth proportional to 14,405.23, 21,573.01 and 11,921.77 is: 17,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.23 : 21,573.01 = 11,921.77 : x
  2. Step 2: Convert to fraction form
    14,405.23/21,573.01 = 11,921.77/x
  3. Step 3: Cross multiply
    14,405.23x = 21,573.01 × 11,921.77
  4. Step 4: Simplify right side
    14,405.23x = 257,188,463.43
  5. Step 5: Solve for x
    x = 257,188,463.43/14,405.23
  6. Step 6: Final answer
    x = 17,853.83

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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.