Home / 21,134.04-29,165.31-11,573.76

Finding the Fourth Proportional to 21,134.04, 29,165.31 and 11,573.76

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Solution

The fourth proportional to 21,134.04, 29,165.31 and 11,573.76 is: 15,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134.04 : 29,165.31 = 11,573.76 : x
  2. Step 2: Convert to fraction form
    21,134.04/29,165.31 = 11,573.76/x
  3. Step 3: Cross multiply
    21,134.04x = 29,165.31 × 11,573.76
  4. Step 4: Simplify right side
    21,134.04x = 337,552,243.50
  5. Step 5: Solve for x
    x = 337,552,243.50/21,134.04
  6. Step 6: Final answer
    x = 15,971.97

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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.