Home / 19,147.48-28,726.04-5,999.96

Finding the Fourth Proportional to 19,147.48, 28,726.04 and 5,999.96

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Solution

The fourth proportional to 19,147.48, 28,726.04 and 5,999.96 is: 9,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.48 : 28,726.04 = 5,999.96 : x
  2. Step 2: Convert to fraction form
    19,147.48/28,726.04 = 5,999.96/x
  3. Step 3: Cross multiply
    19,147.48x = 28,726.04 × 5,999.96
  4. Step 4: Simplify right side
    19,147.48x = 172,355,090.96
  5. Step 5: Solve for x
    x = 172,355,090.96/19,147.48
  6. Step 6: Final answer
    x = 9,001.45

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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.