Home / 15,423.58-21,284.60-8,350

Finding the Fourth Proportional to 15,423.58, 21,284.60 and 8,350

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Solution

The fourth proportional to 15,423.58, 21,284.60 and 8,350 is: 11,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.58 : 21,284.60 = 8,350 : x
  2. Step 2: Convert to fraction form
    15,423.58/21,284.60 = 8,350/x
  3. Step 3: Cross multiply
    15,423.58x = 21,284.60 × 8,350
  4. Step 4: Simplify right side
    15,423.58x = 177,726,410
  5. Step 5: Solve for x
    x = 177,726,410/15,423.58
  6. Step 6: Final answer
    x = 11,523.03

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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.