Home / 21,092.08-29,106.56-11,532.03

Finding the Fourth Proportional to 21,092.08, 29,106.56 and 11,532.03

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Solution

The fourth proportional to 21,092.08, 29,106.56 and 11,532.03 is: 15,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.08 : 29,106.56 = 11,532.03 : x
  2. Step 2: Convert to fraction form
    21,092.08/29,106.56 = 11,532.03/x
  3. Step 3: Cross multiply
    21,092.08x = 29,106.56 × 11,532.03
  4. Step 4: Simplify right side
    21,092.08x = 335,657,723.12
  5. Step 5: Solve for x
    x = 335,657,723.12/21,092.08
  6. Step 6: Final answer
    x = 15,913.92

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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.