Home / 14,231.70-19,636.09-9,458.57

Finding the Fourth Proportional to 14,231.70, 19,636.09 and 9,458.57

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Solution

The fourth proportional to 14,231.70, 19,636.09 and 9,458.57 is: 13,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.70 : 19,636.09 = 9,458.57 : x
  2. Step 2: Convert to fraction form
    14,231.70/19,636.09 = 9,458.57/x
  3. Step 3: Cross multiply
    14,231.70x = 19,636.09 × 9,458.57
  4. Step 4: Simplify right side
    14,231.70x = 185,729,357.24
  5. Step 5: Solve for x
    x = 185,729,357.24/14,231.70
  6. Step 6: Final answer
    x = 13,050.40

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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.