Home / 13,856.49-20,782.26-4,496.13

Finding the Fourth Proportional to 13,856.49, 20,782.26 and 4,496.13

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Solution

The fourth proportional to 13,856.49, 20,782.26 and 4,496.13 is: 6,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.49 : 20,782.26 = 4,496.13 : x
  2. Step 2: Convert to fraction form
    13,856.49/20,782.26 = 4,496.13/x
  3. Step 3: Cross multiply
    13,856.49x = 20,782.26 × 4,496.13
  4. Step 4: Simplify right side
    13,856.49x = 93,439,742.65
  5. Step 5: Solve for x
    x = 93,439,742.65/13,856.49
  6. Step 6: Final answer
    x = 6,743.39

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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.