Home / 12,137.85-16,746.75-8,362.04

Finding the Fourth Proportional to 12,137.85, 16,746.75 and 8,362.04

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Solution

The fourth proportional to 12,137.85, 16,746.75 and 8,362.04 is: 11,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.85 : 16,746.75 = 8,362.04 : x
  2. Step 2: Convert to fraction form
    12,137.85/16,746.75 = 8,362.04/x
  3. Step 3: Cross multiply
    12,137.85x = 16,746.75 × 8,362.04
  4. Step 4: Simplify right side
    12,137.85x = 140,036,909.64
  5. Step 5: Solve for x
    x = 140,036,909.64/12,137.85
  6. Step 6: Final answer
    x = 11,537.21

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1.5x scale

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.