Home / 16,860.72-23,267.49-9,307.29

Finding the Fourth Proportional to 16,860.72, 23,267.49 and 9,307.29

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Solution

The fourth proportional to 16,860.72, 23,267.49 and 9,307.29 is: 12,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.72 : 23,267.49 = 9,307.29 : x
  2. Step 2: Convert to fraction form
    16,860.72/23,267.49 = 9,307.29/x
  3. Step 3: Cross multiply
    16,860.72x = 23,267.49 × 9,307.29
  4. Step 4: Simplify right side
    16,860.72x = 216,557,277.00
  5. Step 5: Solve for x
    x = 216,557,277.00/16,860.72
  6. Step 6: Final answer
    x = 12,843.89

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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.