Home / 21,204.19-29,262.59-11,644.87

Finding the Fourth Proportional to 21,204.19, 29,262.59 and 11,644.87

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Solution

The fourth proportional to 21,204.19, 29,262.59 and 11,644.87 is: 16,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.19 : 29,262.59 = 11,644.87 : x
  2. Step 2: Convert to fraction form
    21,204.19/29,262.59 = 11,644.87/x
  3. Step 3: Cross multiply
    21,204.19x = 29,262.59 × 11,644.87
  4. Step 4: Simplify right side
    21,204.19x = 340,759,056.41
  5. Step 5: Solve for x
    x = 340,759,056.41/21,204.19
  6. Step 6: Final answer
    x = 16,070.36

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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.