Home / 18,092.51-27,142.65-5,612.28

Finding the Fourth Proportional to 18,092.51, 27,142.65 and 5,612.28

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Solution

The fourth proportional to 18,092.51, 27,142.65 and 5,612.28 is: 8,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.51 : 27,142.65 = 5,612.28 : x
  2. Step 2: Convert to fraction form
    18,092.51/27,142.65 = 5,612.28/x
  3. Step 3: Cross multiply
    18,092.51x = 27,142.65 × 5,612.28
  4. Step 4: Simplify right side
    18,092.51x = 152,332,151.74
  5. Step 5: Solve for x
    x = 152,332,151.74/18,092.51
  6. Step 6: Final answer
    x = 8,419.63

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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.