Home / 19,511.30-29,249.48-7,028.40

Finding the Fourth Proportional to 19,511.30, 29,249.48 and 7,028.40

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Solution

The fourth proportional to 19,511.30, 29,249.48 and 7,028.40 is: 10,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.30 : 29,249.48 = 7,028.40 : x
  2. Step 2: Convert to fraction form
    19,511.30/29,249.48 = 7,028.40/x
  3. Step 3: Cross multiply
    19,511.30x = 29,249.48 × 7,028.40
  4. Step 4: Simplify right side
    19,511.30x = 205,577,045.23
  5. Step 5: Solve for x
    x = 205,577,045.23/19,511.30
  6. Step 6: Final answer
    x = 10,536.31

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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.