Home / 11,147.81-16,623.45-11,047.88

Finding the Fourth Proportional to 11,147.81, 16,623.45 and 11,047.88

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Solution

The fourth proportional to 11,147.81, 16,623.45 and 11,047.88 is: 16,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.81 : 16,623.45 = 11,047.88 : x
  2. Step 2: Convert to fraction form
    11,147.81/16,623.45 = 11,047.88/x
  3. Step 3: Cross multiply
    11,147.81x = 16,623.45 × 11,047.88
  4. Step 4: Simplify right side
    11,147.81x = 183,653,797.67
  5. Step 5: Solve for x
    x = 183,653,797.67/11,147.81
  6. Step 6: Final answer
    x = 16,474.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.