Home / 18,239.49-25,170.72-10,281.72

Finding the Fourth Proportional to 18,239.49, 25,170.72 and 10,281.72

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Solution

The fourth proportional to 18,239.49, 25,170.72 and 10,281.72 is: 14,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.49 : 25,170.72 = 10,281.72 : x
  2. Step 2: Convert to fraction form
    18,239.49/25,170.72 = 10,281.72/x
  3. Step 3: Cross multiply
    18,239.49x = 25,170.72 × 10,281.72
  4. Step 4: Simplify right side
    18,239.49x = 258,798,295.24
  5. Step 5: Solve for x
    x = 258,798,295.24/18,239.49
  6. Step 6: Final answer
    x = 14,188.90

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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.