Home / 14,289.62-21,347.25-11,371.19

Finding the Fourth Proportional to 14,289.62, 21,347.25 and 11,371.19

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Solution

The fourth proportional to 14,289.62, 21,347.25 and 11,371.19 is: 16,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.62 : 21,347.25 = 11,371.19 : x
  2. Step 2: Convert to fraction form
    14,289.62/21,347.25 = 11,371.19/x
  3. Step 3: Cross multiply
    14,289.62x = 21,347.25 × 11,371.19
  4. Step 4: Simplify right side
    14,289.62x = 242,743,486.35
  5. Step 5: Solve for x
    x = 242,743,486.35/14,289.62
  6. Step 6: Final answer
    x = 16,987.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.