Home / 18,131.65-25,033.29-14,782.50

Finding the Fourth Proportional to 18,131.65, 25,033.29 and 14,782.50

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Solution

The fourth proportional to 18,131.65, 25,033.29 and 14,782.50 is: 20,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.65 : 25,033.29 = 14,782.50 : x
  2. Step 2: Convert to fraction form
    18,131.65/25,033.29 = 14,782.50/x
  3. Step 3: Cross multiply
    18,131.65x = 25,033.29 × 14,782.50
  4. Step 4: Simplify right side
    18,131.65x = 370,054,553.99
  5. Step 5: Solve for x
    x = 370,054,553.99/18,131.65
  6. Step 6: Final answer
    x = 20,409.32

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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.