Home / 21,053.42-29,050.24-12,099.02

Finding the Fourth Proportional to 21,053.42, 29,050.24 and 12,099.02

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Solution

The fourth proportional to 21,053.42, 29,050.24 and 12,099.02 is: 16,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053.42 : 29,050.24 = 12,099.02 : x
  2. Step 2: Convert to fraction form
    21,053.42/29,050.24 = 12,099.02/x
  3. Step 3: Cross multiply
    21,053.42x = 29,050.24 × 12,099.02
  4. Step 4: Simplify right side
    21,053.42x = 351,479,434.76
  5. Step 5: Solve for x
    x = 351,479,434.76/21,053.42
  6. Step 6: Final answer
    x = 16,694.65

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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.