Home / 18,373.66-25,349.42-12,706.29

Finding the Fourth Proportional to 18,373.66, 25,349.42 and 12,706.29

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Solution

The fourth proportional to 18,373.66, 25,349.42 and 12,706.29 is: 17,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.66 : 25,349.42 = 12,706.29 : x
  2. Step 2: Convert to fraction form
    18,373.66/25,349.42 = 12,706.29/x
  3. Step 3: Cross multiply
    18,373.66x = 25,349.42 × 12,706.29
  4. Step 4: Simplify right side
    18,373.66x = 322,097,081.85
  5. Step 5: Solve for x
    x = 322,097,081.85/18,373.66
  6. Step 6: Final answer
    x = 17,530.37

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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.