Home / 21,283.37-29,374.56-16,238.06

Finding the Fourth Proportional to 21,283.37, 29,374.56 and 16,238.06

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Solution

The fourth proportional to 21,283.37, 29,374.56 and 16,238.06 is: 22,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.37 : 29,374.56 = 16,238.06 : x
  2. Step 2: Convert to fraction form
    21,283.37/29,374.56 = 16,238.06/x
  3. Step 3: Cross multiply
    21,283.37x = 29,374.56 × 16,238.06
  4. Step 4: Simplify right side
    21,283.37x = 476,985,770.14
  5. Step 5: Solve for x
    x = 476,985,770.14/21,283.37
  6. Step 6: Final answer
    x = 22,411.19

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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.