Home / 20,051.04-27,669.78-11,098.20

Finding the Fourth Proportional to 20,051.04, 27,669.78 and 11,098.20

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Solution

The fourth proportional to 20,051.04, 27,669.78 and 11,098.20 is: 15,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.04 : 27,669.78 = 11,098.20 : x
  2. Step 2: Convert to fraction form
    20,051.04/27,669.78 = 11,098.20/x
  3. Step 3: Cross multiply
    20,051.04x = 27,669.78 × 11,098.20
  4. Step 4: Simplify right side
    20,051.04x = 307,084,752.40
  5. Step 5: Solve for x
    x = 307,084,752.40/20,051.04
  6. Step 6: Final answer
    x = 15,315.15

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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.