Home / 18,239.40-25,171.22-10,281.96

Finding the Fourth Proportional to 18,239.40, 25,171.22 and 10,281.96

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Solution

The fourth proportional to 18,239.40, 25,171.22 and 10,281.96 is: 14,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.40 : 25,171.22 = 10,281.96 : x
  2. Step 2: Convert to fraction form
    18,239.40/25,171.22 = 10,281.96/x
  3. Step 3: Cross multiply
    18,239.40x = 25,171.22 × 10,281.96
  4. Step 4: Simplify right side
    18,239.40x = 258,809,477.19
  5. Step 5: Solve for x
    x = 258,809,477.19/18,239.40
  6. Step 6: Final answer
    x = 14,189.58

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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.