Home / 21,281.02-29,367.83-11,849.58

Finding the Fourth Proportional to 21,281.02, 29,367.83 and 11,849.58

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Solution

The fourth proportional to 21,281.02, 29,367.83 and 11,849.58 is: 16,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,281.02 : 29,367.83 = 11,849.58 : x
  2. Step 2: Convert to fraction form
    21,281.02/29,367.83 = 11,849.58/x
  3. Step 3: Cross multiply
    21,281.02x = 29,367.83 × 11,849.58
  4. Step 4: Simplify right side
    21,281.02x = 347,996,451.01
  5. Step 5: Solve for x
    x = 347,996,451.01/21,281.02
  6. Step 6: Final answer
    x = 16,352.43

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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.