Home / 19,394.36-29,090.96-5,355.24

Finding the Fourth Proportional to 19,394.36, 29,090.96 and 5,355.24

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Solution

The fourth proportional to 19,394.36, 29,090.96 and 5,355.24 is: 8,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.36 : 29,090.96 = 5,355.24 : x
  2. Step 2: Convert to fraction form
    19,394.36/29,090.96 = 5,355.24/x
  3. Step 3: Cross multiply
    19,394.36x = 29,090.96 × 5,355.24
  4. Step 4: Simplify right side
    19,394.36x = 155,789,072.63
  5. Step 5: Solve for x
    x = 155,789,072.63/19,394.36
  6. Step 6: Final answer
    x = 8,032.70

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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.