Home / 13,258.47-19,883.49-4,491.33

Finding the Fourth Proportional to 13,258.47, 19,883.49 and 4,491.33

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Solution

The fourth proportional to 13,258.47, 19,883.49 and 4,491.33 is: 6,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.47 : 19,883.49 = 4,491.33 : x
  2. Step 2: Convert to fraction form
    13,258.47/19,883.49 = 4,491.33/x
  3. Step 3: Cross multiply
    13,258.47x = 19,883.49 × 4,491.33
  4. Step 4: Simplify right side
    13,258.47x = 89,303,315.14
  5. Step 5: Solve for x
    x = 89,303,315.14/13,258.47
  6. Step 6: Final answer
    x = 6,735.57

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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.