Home / 21,216.33-31,813.56-14,562.99

Finding the Fourth Proportional to 21,216.33, 31,813.56 and 14,562.99

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Solution

The fourth proportional to 21,216.33, 31,813.56 and 14,562.99 is: 21,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,216.33 : 31,813.56 = 14,562.99 : x
  2. Step 2: Convert to fraction form
    21,216.33/31,813.56 = 14,562.99/x
  3. Step 3: Cross multiply
    21,216.33x = 31,813.56 × 14,562.99
  4. Step 4: Simplify right side
    21,216.33x = 463,300,556.14
  5. Step 5: Solve for x
    x = 463,300,556.14/21,216.33
  6. Step 6: Final answer
    x = 21,836.98

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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.