Home / 15,769.02-21,760.25-9,049.93

Finding the Fourth Proportional to 15,769.02, 21,760.25 and 9,049.93

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Solution

The fourth proportional to 15,769.02, 21,760.25 and 9,049.93 is: 12,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769.02 : 21,760.25 = 9,049.93 : x
  2. Step 2: Convert to fraction form
    15,769.02/21,760.25 = 9,049.93/x
  3. Step 3: Cross multiply
    15,769.02x = 21,760.25 × 9,049.93
  4. Step 4: Simplify right side
    15,769.02x = 196,928,739.28
  5. Step 5: Solve for x
    x = 196,928,739.28/15,769.02
  6. Step 6: Final answer
    x = 12,488.33

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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.