Home / 19,405.58-29,084.02-8,299.24

Finding the Fourth Proportional to 19,405.58, 29,084.02 and 8,299.24

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Solution

The fourth proportional to 19,405.58, 29,084.02 and 8,299.24 is: 12,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.58 : 29,084.02 = 8,299.24 : x
  2. Step 2: Convert to fraction form
    19,405.58/29,084.02 = 8,299.24/x
  3. Step 3: Cross multiply
    19,405.58x = 29,084.02 × 8,299.24
  4. Step 4: Simplify right side
    19,405.58x = 241,375,262.14
  5. Step 5: Solve for x
    x = 241,375,262.14/19,405.58
  6. Step 6: Final answer
    x = 12,438.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.