Home / 21,133.05-31,652.85-14,453.73

Finding the Fourth Proportional to 21,133.05, 31,652.85 and 14,453.73

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Solution

The fourth proportional to 21,133.05, 31,652.85 and 14,453.73 is: 21,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,133.05 : 31,652.85 = 14,453.73 : x
  2. Step 2: Convert to fraction form
    21,133.05/31,652.85 = 14,453.73/x
  3. Step 3: Cross multiply
    21,133.05x = 31,652.85 × 14,453.73
  4. Step 4: Simplify right side
    21,133.05x = 457,501,747.63
  5. Step 5: Solve for x
    x = 457,501,747.63/21,133.05
  6. Step 6: Final answer
    x = 21,648.64

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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.