Home / 21,237.37-31,855.84-5,654.99

Finding the Fourth Proportional to 21,237.37, 31,855.84 and 5,654.99

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Solution

The fourth proportional to 21,237.37, 31,855.84 and 5,654.99 is: 8,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,237.37 : 31,855.84 = 5,654.99 : x
  2. Step 2: Convert to fraction form
    21,237.37/31,855.84 = 5,654.99/x
  3. Step 3: Cross multiply
    21,237.37x = 31,855.84 × 5,654.99
  4. Step 4: Simplify right side
    21,237.37x = 180,144,456.64
  5. Step 5: Solve for x
    x = 180,144,456.64/21,237.37
  6. Step 6: Final answer
    x = 8,482.43

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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.