Home / 21,394.13-32,111.03-10,871.62

Finding the Fourth Proportional to 21,394.13, 32,111.03 and 10,871.62

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Solution

The fourth proportional to 21,394.13, 32,111.03 and 10,871.62 is: 16,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.13 : 32,111.03 = 10,871.62 : x
  2. Step 2: Convert to fraction form
    21,394.13/32,111.03 = 10,871.62/x
  3. Step 3: Cross multiply
    21,394.13x = 32,111.03 × 10,871.62
  4. Step 4: Simplify right side
    21,394.13x = 349,098,862.87
  5. Step 5: Solve for x
    x = 349,098,862.87/21,394.13
  6. Step 6: Final answer
    x = 16,317.51

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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.