Home / 14,159.12-21,241.40-7,592.64

Finding the Fourth Proportional to 14,159.12, 21,241.40 and 7,592.64

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Solution

The fourth proportional to 14,159.12, 21,241.40 and 7,592.64 is: 11,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.12 : 21,241.40 = 7,592.64 : x
  2. Step 2: Convert to fraction form
    14,159.12/21,241.40 = 7,592.64/x
  3. Step 3: Cross multiply
    14,159.12x = 21,241.40 × 7,592.64
  4. Step 4: Simplify right side
    14,159.12x = 161,278,265.33
  5. Step 5: Solve for x
    x = 161,278,265.33/14,159.12
  6. Step 6: Final answer
    x = 11,390.42

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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.