Home / 21,475.53-29,635.47-12,043.89

Finding the Fourth Proportional to 21,475.53, 29,635.47 and 12,043.89

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Solution

The fourth proportional to 21,475.53, 29,635.47 and 12,043.89 is: 16,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.53 : 29,635.47 = 12,043.89 : x
  2. Step 2: Convert to fraction form
    21,475.53/29,635.47 = 12,043.89/x
  3. Step 3: Cross multiply
    21,475.53x = 29,635.47 × 12,043.89
  4. Step 4: Simplify right side
    21,475.53x = 356,926,340.78
  5. Step 5: Solve for x
    x = 356,926,340.78/21,475.53
  6. Step 6: Final answer
    x = 16,620.14

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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.