Home / 19,625.68-29,435.64-6,478.48

Finding the Fourth Proportional to 19,625.68, 29,435.64 and 6,478.48

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Solution

The fourth proportional to 19,625.68, 29,435.64 and 6,478.48 is: 9,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.68 : 29,435.64 = 6,478.48 : x
  2. Step 2: Convert to fraction form
    19,625.68/29,435.64 = 6,478.48/x
  3. Step 3: Cross multiply
    19,625.68x = 29,435.64 × 6,478.48
  4. Step 4: Simplify right side
    19,625.68x = 190,698,205.03
  5. Step 5: Solve for x
    x = 190,698,205.03/19,625.68
  6. Step 6: Final answer
    x = 9,716.77

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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.