Home / 21,525.02-29,704.50-11,964.60

Finding the Fourth Proportional to 21,525.02, 29,704.50 and 11,964.60

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Solution

The fourth proportional to 21,525.02, 29,704.50 and 11,964.60 is: 16,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.02 : 29,704.50 = 11,964.60 : x
  2. Step 2: Convert to fraction form
    21,525.02/29,704.50 = 11,964.60/x
  3. Step 3: Cross multiply
    21,525.02x = 29,704.50 × 11,964.60
  4. Step 4: Simplify right side
    21,525.02x = 355,402,460.70
  5. Step 5: Solve for x
    x = 355,402,460.70/21,525.02
  6. Step 6: Final answer
    x = 16,511.14

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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.