Home / 21,164.13-29,204.93-11,602.49

Finding the Fourth Proportional to 21,164.13, 29,204.93 and 11,602.49

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Solution

The fourth proportional to 21,164.13, 29,204.93 and 11,602.49 is: 16,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,164.13 : 29,204.93 = 11,602.49 : x
  2. Step 2: Convert to fraction form
    21,164.13/29,204.93 = 11,602.49/x
  3. Step 3: Cross multiply
    21,164.13x = 29,204.93 × 11,602.49
  4. Step 4: Simplify right side
    21,164.13x = 338,849,704.24
  5. Step 5: Solve for x
    x = 338,849,704.24/21,164.13
  6. Step 6: Final answer
    x = 16,010.57

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Double scale
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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.