Home / 16,559.99-22,857.80-11,257.89

Finding the Fourth Proportional to 16,559.99, 22,857.80 and 11,257.89

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Solution

The fourth proportional to 16,559.99, 22,857.80 and 11,257.89 is: 15,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,559.99 : 22,857.80 = 11,257.89 : x
  2. Step 2: Convert to fraction form
    16,559.99/22,857.80 = 11,257.89/x
  3. Step 3: Cross multiply
    16,559.99x = 22,857.80 × 11,257.89
  4. Step 4: Simplify right side
    16,559.99x = 257,330,456.04
  5. Step 5: Solve for x
    x = 257,330,456.04/16,559.99
  6. Step 6: Final answer
    x = 15,539.28

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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.