Home / 21,302.49-31,958.16-7,261.41

Finding the Fourth Proportional to 21,302.49, 31,958.16 and 7,261.41

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Solution

The fourth proportional to 21,302.49, 31,958.16 and 7,261.41 is: 10,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302.49 : 31,958.16 = 7,261.41 : x
  2. Step 2: Convert to fraction form
    21,302.49/31,958.16 = 7,261.41/x
  3. Step 3: Cross multiply
    21,302.49x = 31,958.16 × 7,261.41
  4. Step 4: Simplify right side
    21,302.49x = 232,061,302.61
  5. Step 5: Solve for x
    x = 232,061,302.61/21,302.49
  6. Step 6: Final answer
    x = 10,893.62

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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.