Home / 20,559.29-28,371.84-11,606.82

Finding the Fourth Proportional to 20,559.29, 28,371.84 and 11,606.82

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Solution

The fourth proportional to 20,559.29, 28,371.84 and 11,606.82 is: 16,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.29 : 28,371.84 = 11,606.82 : x
  2. Step 2: Convert to fraction form
    20,559.29/28,371.84 = 11,606.82/x
  3. Step 3: Cross multiply
    20,559.29x = 28,371.84 × 11,606.82
  4. Step 4: Simplify right side
    20,559.29x = 329,306,690.03
  5. Step 5: Solve for x
    x = 329,306,690.03/20,559.29
  6. Step 6: Final answer
    x = 16,017.41

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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.