Home / 20,221.93-27,902.93-11,267.41

Finding the Fourth Proportional to 20,221.93, 27,902.93 and 11,267.41

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Solution

The fourth proportional to 20,221.93, 27,902.93 and 11,267.41 is: 15,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,221.93 : 27,902.93 = 11,267.41 : x
  2. Step 2: Convert to fraction form
    20,221.93/27,902.93 = 11,267.41/x
  3. Step 3: Cross multiply
    20,221.93x = 27,902.93 × 11,267.41
  4. Step 4: Simplify right side
    20,221.93x = 314,393,752.51
  5. Step 5: Solve for x
    x = 314,393,752.51/20,221.93
  6. Step 6: Final answer
    x = 15,547.17

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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.