Home / 19,821.38-27,354.33-10,869.22

Finding the Fourth Proportional to 19,821.38, 27,354.33 and 10,869.22

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Solution

The fourth proportional to 19,821.38, 27,354.33 and 10,869.22 is: 14,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.38 : 27,354.33 = 10,869.22 : x
  2. Step 2: Convert to fraction form
    19,821.38/27,354.33 = 10,869.22/x
  3. Step 3: Cross multiply
    19,821.38x = 27,354.33 × 10,869.22
  4. Step 4: Simplify right side
    19,821.38x = 297,320,224.16
  5. Step 5: Solve for x
    x = 297,320,224.16/19,821.38
  6. Step 6: Final answer
    x = 14,999.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.