Home / 21,710.58-29,951.91-14,163.54

Finding the Fourth Proportional to 21,710.58, 29,951.91 and 14,163.54

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Solution

The fourth proportional to 21,710.58, 29,951.91 and 14,163.54 is: 19,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710.58 : 29,951.91 = 14,163.54 : x
  2. Step 2: Convert to fraction form
    21,710.58/29,951.91 = 14,163.54/x
  3. Step 3: Cross multiply
    21,710.58x = 29,951.91 × 14,163.54
  4. Step 4: Simplify right side
    21,710.58x = 424,225,075.36
  5. Step 5: Solve for x
    x = 424,225,075.36/21,710.58
  6. Step 6: Final answer
    x = 19,540.02

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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.