Home / 11,199.30-16,782.54-9,969.18

Finding the Fourth Proportional to 11,199.30, 16,782.54 and 9,969.18

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Solution

The fourth proportional to 11,199.30, 16,782.54 and 9,969.18 is: 14,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.30 : 16,782.54 = 9,969.18 : x
  2. Step 2: Convert to fraction form
    11,199.30/16,782.54 = 9,969.18/x
  3. Step 3: Cross multiply
    11,199.30x = 16,782.54 × 9,969.18
  4. Step 4: Simplify right side
    11,199.30x = 167,308,162.12
  5. Step 5: Solve for x
    x = 167,308,162.12/11,199.30
  6. Step 6: Final answer
    x = 14,939.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.