Home / 19,406.40-29,090.82-6,249.84

Finding the Fourth Proportional to 19,406.40, 29,090.82 and 6,249.84

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Solution

The fourth proportional to 19,406.40, 29,090.82 and 6,249.84 is: 9,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.40 : 29,090.82 = 6,249.84 : x
  2. Step 2: Convert to fraction form
    19,406.40/29,090.82 = 6,249.84/x
  3. Step 3: Cross multiply
    19,406.40x = 29,090.82 × 6,249.84
  4. Step 4: Simplify right side
    19,406.40x = 181,812,970.47
  5. Step 5: Solve for x
    x = 181,812,970.47/19,406.40
  6. Step 6: Final answer
    x = 9,368.71

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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.