Home / 30,186.84-45,274.27-15,189.96

Finding the Fourth Proportional to 30,186.84, 45,274.27 and 15,189.96

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Solution

The fourth proportional to 30,186.84, 45,274.27 and 15,189.96 is: 22,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.84 : 45,274.27 = 15,189.96 : x
  2. Step 2: Convert to fraction form
    30,186.84/45,274.27 = 15,189.96/x
  3. Step 3: Cross multiply
    30,186.84x = 45,274.27 × 15,189.96
  4. Step 4: Simplify right side
    30,186.84x = 687,714,350.33
  5. Step 5: Solve for x
    x = 687,714,350.33/30,186.84
  6. Step 6: Final answer
    x = 22,781.93

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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.