Home / 18,802.37-28,204.08-5,474.84

Finding the Fourth Proportional to 18,802.37, 28,204.08 and 5,474.84

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Solution

The fourth proportional to 18,802.37, 28,204.08 and 5,474.84 is: 8,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.37 : 28,204.08 = 5,474.84 : x
  2. Step 2: Convert to fraction form
    18,802.37/28,204.08 = 5,474.84/x
  3. Step 3: Cross multiply
    18,802.37x = 28,204.08 × 5,474.84
  4. Step 4: Simplify right side
    18,802.37x = 154,412,663.80
  5. Step 5: Solve for x
    x = 154,412,663.80/18,802.37
  6. Step 6: Final answer
    x = 8,212.40

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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.