Home / 21,056.74-29,057.85-11,496.81

Finding the Fourth Proportional to 21,056.74, 29,057.85 and 11,496.81

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Solution

The fourth proportional to 21,056.74, 29,057.85 and 11,496.81 is: 15,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.74 : 29,057.85 = 11,496.81 : x
  2. Step 2: Convert to fraction form
    21,056.74/29,057.85 = 11,496.81/x
  3. Step 3: Cross multiply
    21,056.74x = 29,057.85 × 11,496.81
  4. Step 4: Simplify right side
    21,056.74x = 334,072,689.43
  5. Step 5: Solve for x
    x = 334,072,689.43/21,056.74
  6. Step 6: Final answer
    x = 15,865.36

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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.