Home / 21,618.45-29,836.01-12,059.84

Finding the Fourth Proportional to 21,618.45, 29,836.01 and 12,059.84

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Solution

The fourth proportional to 21,618.45, 29,836.01 and 12,059.84 is: 16,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.45 : 29,836.01 = 12,059.84 : x
  2. Step 2: Convert to fraction form
    21,618.45/29,836.01 = 12,059.84/x
  3. Step 3: Cross multiply
    21,618.45x = 29,836.01 × 12,059.84
  4. Step 4: Simplify right side
    21,618.45x = 359,817,506.84
  5. Step 5: Solve for x
    x = 359,817,506.84/21,618.45
  6. Step 6: Final answer
    x = 16,644.00

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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.