Home / 18,661.32-25,755.98-10,706.18

Finding the Fourth Proportional to 18,661.32, 25,755.98 and 10,706.18

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Solution

The fourth proportional to 18,661.32, 25,755.98 and 10,706.18 is: 14,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661.32 : 25,755.98 = 10,706.18 : x
  2. Step 2: Convert to fraction form
    18,661.32/25,755.98 = 10,706.18/x
  3. Step 3: Cross multiply
    18,661.32x = 25,755.98 × 10,706.18
  4. Step 4: Simplify right side
    18,661.32x = 275,747,975.65
  5. Step 5: Solve for x
    x = 275,747,975.65/18,661.32
  6. Step 6: Final answer
    x = 14,776.45

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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.