Home / 18,178.07-25,085.84-10,220.22

Finding the Fourth Proportional to 18,178.07, 25,085.84 and 10,220.22

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Solution

The fourth proportional to 18,178.07, 25,085.84 and 10,220.22 is: 14,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.07 : 25,085.84 = 10,220.22 : x
  2. Step 2: Convert to fraction form
    18,178.07/25,085.84 = 10,220.22/x
  3. Step 3: Cross multiply
    18,178.07x = 25,085.84 × 10,220.22
  4. Step 4: Simplify right side
    18,178.07x = 256,382,752.58
  5. Step 5: Solve for x
    x = 256,382,752.58/18,178.07
  6. Step 6: Final answer
    x = 14,103.96

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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.