Home / 19,639.08-29,458.48-7,952.12

Finding the Fourth Proportional to 19,639.08, 29,458.48 and 7,952.12

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Solution

The fourth proportional to 19,639.08, 29,458.48 and 7,952.12 is: 11,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.08 : 29,458.48 = 7,952.12 : x
  2. Step 2: Convert to fraction form
    19,639.08/29,458.48 = 7,952.12/x
  3. Step 3: Cross multiply
    19,639.08x = 29,458.48 × 7,952.12
  4. Step 4: Simplify right side
    19,639.08x = 234,257,367.98
  5. Step 5: Solve for x
    x = 234,257,367.98/19,639.08
  6. Step 6: Final answer
    x = 11,928.12

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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.