Home / 11,969.72-17,955.84-4,574.13

Finding the Fourth Proportional to 11,969.72, 17,955.84 and 4,574.13

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Solution

The fourth proportional to 11,969.72, 17,955.84 and 4,574.13 is: 6,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.72 : 17,955.84 = 4,574.13 : x
  2. Step 2: Convert to fraction form
    11,969.72/17,955.84 = 4,574.13/x
  3. Step 3: Cross multiply
    11,969.72x = 17,955.84 × 4,574.13
  4. Step 4: Simplify right side
    11,969.72x = 82,132,403.19
  5. Step 5: Solve for x
    x = 82,132,403.19/11,969.72
  6. Step 6: Final answer
    x = 6,861.68

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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.