Home / 14,578.39-21,849.12-9,311.37

Finding the Fourth Proportional to 14,578.39, 21,849.12 and 9,311.37

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Solution

The fourth proportional to 14,578.39, 21,849.12 and 9,311.37 is: 13,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.39 : 21,849.12 = 9,311.37 : x
  2. Step 2: Convert to fraction form
    14,578.39/21,849.12 = 9,311.37/x
  3. Step 3: Cross multiply
    14,578.39x = 21,849.12 × 9,311.37
  4. Step 4: Simplify right side
    14,578.39x = 203,445,240.49
  5. Step 5: Solve for x
    x = 203,445,240.49/14,578.39
  6. Step 6: Final answer
    x = 13,955.26

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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.