Home / 13,746.10-20,627.07-8,212.90

Finding the Fourth Proportional to 13,746.10, 20,627.07 and 8,212.90

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Solution

The fourth proportional to 13,746.10, 20,627.07 and 8,212.90 is: 12,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.10 : 20,627.07 = 8,212.90 : x
  2. Step 2: Convert to fraction form
    13,746.10/20,627.07 = 8,212.90/x
  3. Step 3: Cross multiply
    13,746.10x = 20,627.07 × 8,212.90
  4. Step 4: Simplify right side
    13,746.10x = 169,408,063.20
  5. Step 5: Solve for x
    x = 169,408,063.20/13,746.10
  6. Step 6: Final answer
    x = 12,324.08

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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.