Home / 12,817.88-19,207.36-9,515.52

Finding the Fourth Proportional to 12,817.88, 19,207.36 and 9,515.52

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Solution

The fourth proportional to 12,817.88, 19,207.36 and 9,515.52 is: 14,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817.88 : 19,207.36 = 9,515.52 : x
  2. Step 2: Convert to fraction form
    12,817.88/19,207.36 = 9,515.52/x
  3. Step 3: Cross multiply
    12,817.88x = 19,207.36 × 9,515.52
  4. Step 4: Simplify right side
    12,817.88x = 182,768,018.23
  5. Step 5: Solve for x
    x = 182,768,018.23/12,817.88
  6. Step 6: Final answer
    x = 14,258.83

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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.