Home / 14,329.99-21,455.49-10,809.34

Finding the Fourth Proportional to 14,329.99, 21,455.49 and 10,809.34

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Solution

The fourth proportional to 14,329.99, 21,455.49 and 10,809.34 is: 16,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.99 : 21,455.49 = 10,809.34 : x
  2. Step 2: Convert to fraction form
    14,329.99/21,455.49 = 10,809.34/x
  3. Step 3: Cross multiply
    14,329.99x = 21,455.49 × 10,809.34
  4. Step 4: Simplify right side
    14,329.99x = 231,919,686.28
  5. Step 5: Solve for x
    x = 231,919,686.28/14,329.99
  6. Step 6: Final answer
    x = 16,184.22

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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.