Home / 21,084.48-29,096.64-11,652.84

Finding the Fourth Proportional to 21,084.48, 29,096.64 and 11,652.84

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Solution

The fourth proportional to 21,084.48, 29,096.64 and 11,652.84 is: 16,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.48 : 29,096.64 = 11,652.84 : x
  2. Step 2: Convert to fraction form
    21,084.48/29,096.64 = 11,652.84/x
  3. Step 3: Cross multiply
    21,084.48x = 29,096.64 × 11,652.84
  4. Step 4: Simplify right side
    21,084.48x = 339,058,490.46
  5. Step 5: Solve for x
    x = 339,058,490.46/21,084.48
  6. Step 6: Final answer
    x = 16,080.95

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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.