Home / 11,619.34-17,428.74-2,854.24

Finding the Fourth Proportional to 11,619.34, 17,428.74 and 2,854.24

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Solution

The fourth proportional to 11,619.34, 17,428.74 and 2,854.24 is: 4,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.34 : 17,428.74 = 2,854.24 : x
  2. Step 2: Convert to fraction form
    11,619.34/17,428.74 = 2,854.24/x
  3. Step 3: Cross multiply
    11,619.34x = 17,428.74 × 2,854.24
  4. Step 4: Simplify right side
    11,619.34x = 49,745,806.86
  5. Step 5: Solve for x
    x = 49,745,806.86/11,619.34
  6. Step 6: Final answer
    x = 4,281.29

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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.