Home / 19,390.64-29,090.14-6,244.04

Finding the Fourth Proportional to 19,390.64, 29,090.14 and 6,244.04

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Solution

The fourth proportional to 19,390.64, 29,090.14 and 6,244.04 is: 9,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.64 : 29,090.14 = 6,244.04 : x
  2. Step 2: Convert to fraction form
    19,390.64/29,090.14 = 6,244.04/x
  3. Step 3: Cross multiply
    19,390.64x = 29,090.14 × 6,244.04
  4. Step 4: Simplify right side
    19,390.64x = 181,639,891.25
  5. Step 5: Solve for x
    x = 181,639,891.25/19,390.64
  6. Step 6: Final answer
    x = 9,367.40

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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.