Home / 23,218.37-34,841.39-8,428.45

Finding the Fourth Proportional to 23,218.37, 34,841.39 and 8,428.45

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Solution

The fourth proportional to 23,218.37, 34,841.39 and 8,428.45 is: 12,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,218.37 : 34,841.39 = 8,428.45 : x
  2. Step 2: Convert to fraction form
    23,218.37/34,841.39 = 8,428.45/x
  3. Step 3: Cross multiply
    23,218.37x = 34,841.39 × 8,428.45
  4. Step 4: Simplify right side
    23,218.37x = 293,658,913.55
  5. Step 5: Solve for x
    x = 293,658,913.55/23,218.37
  6. Step 6: Final answer
    x = 12,647.70

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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.