Home / 16,860.49-23,267.07-9,306.80

Finding the Fourth Proportional to 16,860.49, 23,267.07 and 9,306.80

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Solution

The fourth proportional to 16,860.49, 23,267.07 and 9,306.80 is: 12,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.49 : 23,267.07 = 9,306.80 : x
  2. Step 2: Convert to fraction form
    16,860.49/23,267.07 = 9,306.80/x
  3. Step 3: Cross multiply
    16,860.49x = 23,267.07 × 9,306.80
  4. Step 4: Simplify right side
    16,860.49x = 216,541,967.08
  5. Step 5: Solve for x
    x = 216,541,967.08/16,860.49
  6. Step 6: Final answer
    x = 12,843.16

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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.