Home / 11,677.59-17,515.40-2,912.49

Finding the Fourth Proportional to 11,677.59, 17,515.40 and 2,912.49

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Solution

The fourth proportional to 11,677.59, 17,515.40 and 2,912.49 is: 4,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.59 : 17,515.40 = 2,912.49 : x
  2. Step 2: Convert to fraction form
    11,677.59/17,515.40 = 2,912.49/x
  3. Step 3: Cross multiply
    11,677.59x = 17,515.40 × 2,912.49
  4. Step 4: Simplify right side
    11,677.59x = 51,013,412.78
  5. Step 5: Solve for x
    x = 51,013,412.78/11,677.59
  6. Step 6: Final answer
    x = 4,368.49

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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.