Home / 11,440.64-17,160.90-7,516.64

Finding the Fourth Proportional to 11,440.64, 17,160.90 and 7,516.64

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Solution

The fourth proportional to 11,440.64, 17,160.90 and 7,516.64 is: 11,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.64 : 17,160.90 = 7,516.64 : x
  2. Step 2: Convert to fraction form
    11,440.64/17,160.90 = 7,516.64/x
  3. Step 3: Cross multiply
    11,440.64x = 17,160.90 × 7,516.64
  4. Step 4: Simplify right side
    11,440.64x = 128,992,307.38
  5. Step 5: Solve for x
    x = 128,992,307.38/11,440.64
  6. Step 6: Final answer
    x = 11,274.92

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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.