Home / 12,546.50-18,820.84-3,312.50

Finding the Fourth Proportional to 12,546.50, 18,820.84 and 3,312.50

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Solution

The fourth proportional to 12,546.50, 18,820.84 and 3,312.50 is: 4,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.50 : 18,820.84 = 3,312.50 : x
  2. Step 2: Convert to fraction form
    12,546.50/18,820.84 = 3,312.50/x
  3. Step 3: Cross multiply
    12,546.50x = 18,820.84 × 3,312.50
  4. Step 4: Simplify right side
    12,546.50x = 62,344,032.50
  5. Step 5: Solve for x
    x = 62,344,032.50/12,546.50
  6. Step 6: Final answer
    x = 4,969.04

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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.