Home / 21,060.08-29,063.08-11,628.64

Finding the Fourth Proportional to 21,060.08, 29,063.08 and 11,628.64

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Solution

The fourth proportional to 21,060.08, 29,063.08 and 11,628.64 is: 16,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.08 : 29,063.08 = 11,628.64 : x
  2. Step 2: Convert to fraction form
    21,060.08/29,063.08 = 11,628.64/x
  3. Step 3: Cross multiply
    21,060.08x = 29,063.08 × 11,628.64
  4. Step 4: Simplify right side
    21,060.08x = 337,964,094.61
  5. Step 5: Solve for x
    x = 337,964,094.61/21,060.08
  6. Step 6: Final answer
    x = 16,047.62

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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.