Home / 8,342.36-12,513.51-2,102.85

Finding the Fourth Proportional to 8,342.36, 12,513.51 and 2,102.85

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Solution

The fourth proportional to 8,342.36, 12,513.51 and 2,102.85 is: 3,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.36 : 12,513.51 = 2,102.85 : x
  2. Step 2: Convert to fraction form
    8,342.36/12,513.51 = 2,102.85/x
  3. Step 3: Cross multiply
    8,342.36x = 12,513.51 × 2,102.85
  4. Step 4: Simplify right side
    8,342.36x = 26,314,034.50
  5. Step 5: Solve for x
    x = 26,314,034.50/8,342.36
  6. Step 6: Final answer
    x = 3,154.27

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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.