Home / 18,267.08-25,208.16-10,309.10

Finding the Fourth Proportional to 18,267.08, 25,208.16 and 10,309.10

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Solution

The fourth proportional to 18,267.08, 25,208.16 and 10,309.10 is: 14,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.08 : 25,208.16 = 10,309.10 : x
  2. Step 2: Convert to fraction form
    18,267.08/25,208.16 = 10,309.10/x
  3. Step 3: Cross multiply
    18,267.08x = 25,208.16 × 10,309.10
  4. Step 4: Simplify right side
    18,267.08x = 259,873,442.26
  5. Step 5: Solve for x
    x = 259,873,442.26/18,267.08
  6. Step 6: Final answer
    x = 14,226.33

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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.