Home / 12,903.98-19,357.79-6,330.42

Finding the Fourth Proportional to 12,903.98, 19,357.79 and 6,330.42

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Solution

The fourth proportional to 12,903.98, 19,357.79 and 6,330.42 is: 9,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.98 : 19,357.79 = 6,330.42 : x
  2. Step 2: Convert to fraction form
    12,903.98/19,357.79 = 6,330.42/x
  3. Step 3: Cross multiply
    12,903.98x = 19,357.79 × 6,330.42
  4. Step 4: Simplify right side
    12,903.98x = 122,542,909.32
  5. Step 5: Solve for x
    x = 122,542,909.32/12,903.98
  6. Step 6: Final answer
    x = 9,496.52

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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.