Home / 18,702.12-25,808.58-10,318.44

Finding the Fourth Proportional to 18,702.12, 25,808.58 and 10,318.44

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Solution

The fourth proportional to 18,702.12, 25,808.58 and 10,318.44 is: 14,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702.12 : 25,808.58 = 10,318.44 : x
  2. Step 2: Convert to fraction form
    18,702.12/25,808.58 = 10,318.44/x
  3. Step 3: Cross multiply
    18,702.12x = 25,808.58 × 10,318.44
  4. Step 4: Simplify right side
    18,702.12x = 266,304,284.22
  5. Step 5: Solve for x
    x = 266,304,284.22/18,702.12
  6. Step 6: Final answer
    x = 14,239.26

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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.