Home / 11,147.30-16,622.70-11,047.37

Finding the Fourth Proportional to 11,147.30, 16,622.70 and 11,047.37

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Solution

The fourth proportional to 11,147.30, 16,622.70 and 11,047.37 is: 16,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.30 : 16,622.70 = 11,047.37 : x
  2. Step 2: Convert to fraction form
    11,147.30/16,622.70 = 11,047.37/x
  3. Step 3: Cross multiply
    11,147.30x = 16,622.70 × 11,047.37
  4. Step 4: Simplify right side
    11,147.30x = 183,637,117.30
  5. Step 5: Solve for x
    x = 183,637,117.30/11,147.30
  6. Step 6: Final answer
    x = 16,473.69

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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.