Home / 16,855.80-25,283.70-11,218.20

Finding the Fourth Proportional to 16,855.80, 25,283.70 and 11,218.20

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Solution

The fourth proportional to 16,855.80, 25,283.70 and 11,218.20 is: 16,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.80 : 25,283.70 = 11,218.20 : x
  2. Step 2: Convert to fraction form
    16,855.80/25,283.70 = 11,218.20/x
  3. Step 3: Cross multiply
    16,855.80x = 25,283.70 × 11,218.20
  4. Step 4: Simplify right side
    16,855.80x = 283,637,603.34
  5. Step 5: Solve for x
    x = 283,637,603.34/16,855.80
  6. Step 6: Final answer
    x = 16,827.30

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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.