Home / 15,516.79-23,256.69-10,811.32

Finding the Fourth Proportional to 15,516.79, 23,256.69 and 10,811.32

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Solution

The fourth proportional to 15,516.79, 23,256.69 and 10,811.32 is: 16,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.79 : 23,256.69 = 10,811.32 : x
  2. Step 2: Convert to fraction form
    15,516.79/23,256.69 = 10,811.32/x
  3. Step 3: Cross multiply
    15,516.79x = 23,256.69 × 10,811.32
  4. Step 4: Simplify right side
    15,516.79x = 251,435,517.73
  5. Step 5: Solve for x
    x = 251,435,517.73/15,516.79
  6. Step 6: Final answer
    x = 16,204.09

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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.