Home / 11,851.45-17,738.60-8,730.23

Finding the Fourth Proportional to 11,851.45, 17,738.60 and 8,730.23

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Solution

The fourth proportional to 11,851.45, 17,738.60 and 8,730.23 is: 13,066.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.45 : 17,738.60 = 8,730.23 : x
  2. Step 2: Convert to fraction form
    11,851.45/17,738.60 = 8,730.23/x
  3. Step 3: Cross multiply
    11,851.45x = 17,738.60 × 8,730.23
  4. Step 4: Simplify right side
    11,851.45x = 154,861,925.53
  5. Step 5: Solve for x
    x = 154,861,925.53/11,851.45
  6. Step 6: Final answer
    x = 13,066.92

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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.