Home / 8,342.37-12,513.11-2,102.38

Finding the Fourth Proportional to 8,342.37, 12,513.11 and 2,102.38

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Solution

The fourth proportional to 8,342.37, 12,513.11 and 2,102.38 is: 3,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.37 : 12,513.11 = 2,102.38 : x
  2. Step 2: Convert to fraction form
    8,342.37/12,513.11 = 2,102.38/x
  3. Step 3: Cross multiply
    8,342.37x = 12,513.11 × 2,102.38
  4. Step 4: Simplify right side
    8,342.37x = 26,307,312.20
  5. Step 5: Solve for x
    x = 26,307,312.20/8,342.37
  6. Step 6: Final answer
    x = 3,153.46

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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.