Home / 14,735.16-20,334.60-8,447.76

Finding the Fourth Proportional to 14,735.16, 20,334.60 and 8,447.76

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Solution

The fourth proportional to 14,735.16, 20,334.60 and 8,447.76 is: 11,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.16 : 20,334.60 = 8,447.76 : x
  2. Step 2: Convert to fraction form
    14,735.16/20,334.60 = 8,447.76/x
  3. Step 3: Cross multiply
    14,735.16x = 20,334.60 × 8,447.76
  4. Step 4: Simplify right side
    14,735.16x = 171,781,820.50
  5. Step 5: Solve for x
    x = 171,781,820.50/14,735.16
  6. Step 6: Final answer
    x = 11,657.95

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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.