Home / 16,647.06-22,962.84-9,928.20

Finding the Fourth Proportional to 16,647.06, 22,962.84 and 9,928.20

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Solution

The fourth proportional to 16,647.06, 22,962.84 and 9,928.20 is: 13,694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,647.06 : 22,962.84 = 9,928.20 : x
  2. Step 2: Convert to fraction form
    16,647.06/22,962.84 = 9,928.20/x
  3. Step 3: Cross multiply
    16,647.06x = 22,962.84 × 9,928.20
  4. Step 4: Simplify right side
    16,647.06x = 227,979,668.09
  5. Step 5: Solve for x
    x = 227,979,668.09/16,647.06
  6. Step 6: Final answer
    x = 13,694.89

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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.