Home / 21,241.04-31,862.37-10,840.64

Finding the Fourth Proportional to 21,241.04, 31,862.37 and 10,840.64

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Solution

The fourth proportional to 21,241.04, 31,862.37 and 10,840.64 is: 16,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,241.04 : 31,862.37 = 10,840.64 : x
  2. Step 2: Convert to fraction form
    21,241.04/31,862.37 = 10,840.64/x
  3. Step 3: Cross multiply
    21,241.04x = 31,862.37 × 10,840.64
  4. Step 4: Simplify right side
    21,241.04x = 345,408,482.72
  5. Step 5: Solve for x
    x = 345,408,482.72/21,241.04
  6. Step 6: Final answer
    x = 16,261.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.