Home / 12,514.89-18,775.88-6,267.36

Finding the Fourth Proportional to 12,514.89, 18,775.88 and 6,267.36

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Solution

The fourth proportional to 12,514.89, 18,775.88 and 6,267.36 is: 9,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.89 : 18,775.88 = 6,267.36 : x
  2. Step 2: Convert to fraction form
    12,514.89/18,775.88 = 6,267.36/x
  3. Step 3: Cross multiply
    12,514.89x = 18,775.88 × 6,267.36
  4. Step 4: Simplify right side
    12,514.89x = 117,675,199.28
  5. Step 5: Solve for x
    x = 117,675,199.28/12,514.89
  6. Step 6: Final answer
    x = 9,402.82

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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.