Home / 21,164.76-29,207.88-11,734.02

Finding the Fourth Proportional to 21,164.76, 29,207.88 and 11,734.02

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Solution

The fourth proportional to 21,164.76, 29,207.88 and 11,734.02 is: 16,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,164.76 : 29,207.88 = 11,734.02 : x
  2. Step 2: Convert to fraction form
    21,164.76/29,207.88 = 11,734.02/x
  3. Step 3: Cross multiply
    21,164.76x = 29,207.88 × 11,734.02
  4. Step 4: Simplify right side
    21,164.76x = 342,725,848.08
  5. Step 5: Solve for x
    x = 342,725,848.08/21,164.76
  6. Step 6: Final answer
    x = 16,193.23

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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.