Home / 18,308.08-25,267.55-10,350.31

Finding the Fourth Proportional to 18,308.08, 25,267.55 and 10,350.31

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Solution

The fourth proportional to 18,308.08, 25,267.55 and 10,350.31 is: 14,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.08 : 25,267.55 = 10,350.31 : x
  2. Step 2: Convert to fraction form
    18,308.08/25,267.55 = 10,350.31/x
  3. Step 3: Cross multiply
    18,308.08x = 25,267.55 × 10,350.31
  4. Step 4: Simplify right side
    18,308.08x = 261,526,797.35
  5. Step 5: Solve for x
    x = 261,526,797.35/18,308.08
  6. Step 6: Final answer
    x = 14,284.77

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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.