Home / 12,708.03-19,020.65-11,495.55

Finding the Fourth Proportional to 12,708.03, 19,020.65 and 11,495.55

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Solution

The fourth proportional to 12,708.03, 19,020.65 and 11,495.55 is: 17,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.03 : 19,020.65 = 11,495.55 : x
  2. Step 2: Convert to fraction form
    12,708.03/19,020.65 = 11,495.55/x
  3. Step 3: Cross multiply
    12,708.03x = 19,020.65 × 11,495.55
  4. Step 4: Simplify right side
    12,708.03x = 218,652,775.63
  5. Step 5: Solve for x
    x = 218,652,775.63/12,708.03
  6. Step 6: Final answer
    x = 17,205.87

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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.