Home / 21,618.87-29,833.44-12,059.04

Finding the Fourth Proportional to 21,618.87, 29,833.44 and 12,059.04

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Solution

The fourth proportional to 21,618.87, 29,833.44 and 12,059.04 is: 16,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.87 : 29,833.44 = 12,059.04 : x
  2. Step 2: Convert to fraction form
    21,618.87/29,833.44 = 12,059.04/x
  3. Step 3: Cross multiply
    21,618.87x = 29,833.44 × 12,059.04
  4. Step 4: Simplify right side
    21,618.87x = 359,762,646.30
  5. Step 5: Solve for x
    x = 359,762,646.30/21,618.87
  6. Step 6: Final answer
    x = 16,641.14

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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.