Home / 19,511.99-29,272.65-6,364.38

Finding the Fourth Proportional to 19,511.99, 29,272.65 and 6,364.38

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Solution

The fourth proportional to 19,511.99, 29,272.65 and 6,364.38 is: 9,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.99 : 29,272.65 = 6,364.38 : x
  2. Step 2: Convert to fraction form
    19,511.99/29,272.65 = 6,364.38/x
  3. Step 3: Cross multiply
    19,511.99x = 29,272.65 × 6,364.38
  4. Step 4: Simplify right side
    19,511.99x = 186,302,268.21
  5. Step 5: Solve for x
    x = 186,302,268.21/19,511.99
  6. Step 6: Final answer
    x = 9,548.09

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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.