Home / 14,257.76-21,357.84-11,940.92

Finding the Fourth Proportional to 14,257.76, 21,357.84 and 11,940.92

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Solution

The fourth proportional to 14,257.76, 21,357.84 and 11,940.92 is: 17,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.76 : 21,357.84 = 11,940.92 : x
  2. Step 2: Convert to fraction form
    14,257.76/21,357.84 = 11,940.92/x
  3. Step 3: Cross multiply
    14,257.76x = 21,357.84 × 11,940.92
  4. Step 4: Simplify right side
    14,257.76x = 255,032,258.81
  5. Step 5: Solve for x
    x = 255,032,258.81/14,257.76
  6. Step 6: Final answer
    x = 17,887.26

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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.