Home / 12,415.98-18,576.74-8,397.37

Finding the Fourth Proportional to 12,415.98, 18,576.74 and 8,397.37

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Solution

The fourth proportional to 12,415.98, 18,576.74 and 8,397.37 is: 12,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.98 : 18,576.74 = 8,397.37 : x
  2. Step 2: Convert to fraction form
    12,415.98/18,576.74 = 8,397.37/x
  3. Step 3: Cross multiply
    12,415.98x = 18,576.74 × 8,397.37
  4. Step 4: Simplify right side
    12,415.98x = 155,995,803.39
  5. Step 5: Solve for x
    x = 155,995,803.39/12,415.98
  6. Step 6: Final answer
    x = 12,564.11

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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.