Home / 17,477.28-26,211.33-11,929.59

Finding the Fourth Proportional to 17,477.28, 26,211.33 and 11,929.59

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Solution

The fourth proportional to 17,477.28, 26,211.33 and 11,929.59 is: 17,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,477.28 : 26,211.33 = 11,929.59 : x
  2. Step 2: Convert to fraction form
    17,477.28/26,211.33 = 11,929.59/x
  3. Step 3: Cross multiply
    17,477.28x = 26,211.33 × 11,929.59
  4. Step 4: Simplify right side
    17,477.28x = 312,690,420.25
  5. Step 5: Solve for x
    x = 312,690,420.25/17,477.28
  6. Step 6: Final answer
    x = 17,891.25

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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.