Home / 12,638.40-18,959.52-6,063.36

Finding the Fourth Proportional to 12,638.40, 18,959.52 and 6,063.36

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Solution

The fourth proportional to 12,638.40, 18,959.52 and 6,063.36 is: 9,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,638.40 : 18,959.52 = 6,063.36 : x
  2. Step 2: Convert to fraction form
    12,638.40/18,959.52 = 6,063.36/x
  3. Step 3: Cross multiply
    12,638.40x = 18,959.52 × 6,063.36
  4. Step 4: Simplify right side
    12,638.40x = 114,958,395.19
  5. Step 5: Solve for x
    x = 114,958,395.19/12,638.40
  6. Step 6: Final answer
    x = 9,095.96

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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.