Home / 18,622.80-27,946.35-9,864.27

Finding the Fourth Proportional to 18,622.80, 27,946.35 and 9,864.27

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Solution

The fourth proportional to 18,622.80, 27,946.35 and 9,864.27 is: 14,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.80 : 27,946.35 = 9,864.27 : x
  2. Step 2: Convert to fraction form
    18,622.80/27,946.35 = 9,864.27/x
  3. Step 3: Cross multiply
    18,622.80x = 27,946.35 × 9,864.27
  4. Step 4: Simplify right side
    18,622.80x = 275,670,341.91
  5. Step 5: Solve for x
    x = 275,670,341.91/18,622.80
  6. Step 6: Final answer
    x = 14,802.84

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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.