Home / 15,926.90-21,928.92-14,450.68

Finding the Fourth Proportional to 15,926.90, 21,928.92 and 14,450.68

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Solution

The fourth proportional to 15,926.90, 21,928.92 and 14,450.68 is: 19,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.90 : 21,928.92 = 14,450.68 : x
  2. Step 2: Convert to fraction form
    15,926.90/21,928.92 = 14,450.68/x
  3. Step 3: Cross multiply
    15,926.90x = 21,928.92 × 14,450.68
  4. Step 4: Simplify right side
    15,926.90x = 316,887,805.67
  5. Step 5: Solve for x
    x = 316,887,805.67/15,926.90
  6. Step 6: Final answer
    x = 19,896.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.