Home / 12,597.48-18,897.09-4,278.36

Finding the Fourth Proportional to 12,597.48, 18,897.09 and 4,278.36

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Solution

The fourth proportional to 12,597.48, 18,897.09 and 4,278.36 is: 6,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597.48 : 18,897.09 = 4,278.36 : x
  2. Step 2: Convert to fraction form
    12,597.48/18,897.09 = 4,278.36/x
  3. Step 3: Cross multiply
    12,597.48x = 18,897.09 × 4,278.36
  4. Step 4: Simplify right side
    12,597.48x = 80,848,553.97
  5. Step 5: Solve for x
    x = 80,848,553.97/12,597.48
  6. Step 6: Final answer
    x = 6,417.84

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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.