Home / 19,390.01-29,083.85-6,909.37

Finding the Fourth Proportional to 19,390.01, 29,083.85 and 6,909.37

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Solution

The fourth proportional to 19,390.01, 29,083.85 and 6,909.37 is: 10,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.01 : 29,083.85 = 6,909.37 : x
  2. Step 2: Convert to fraction form
    19,390.01/29,083.85 = 6,909.37/x
  3. Step 3: Cross multiply
    19,390.01x = 29,083.85 × 6,909.37
  4. Step 4: Simplify right side
    19,390.01x = 200,951,080.67
  5. Step 5: Solve for x
    x = 200,951,080.67/19,390.01
  6. Step 6: Final answer
    x = 10,363.64

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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.