Home / 18,169.08-25,064.64-12,122.34

Finding the Fourth Proportional to 18,169.08, 25,064.64 and 12,122.34

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Solution

The fourth proportional to 18,169.08, 25,064.64 and 12,122.34 is: 16,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.08 : 25,064.64 = 12,122.34 : x
  2. Step 2: Convert to fraction form
    18,169.08/25,064.64 = 12,122.34/x
  3. Step 3: Cross multiply
    18,169.08x = 25,064.64 × 12,122.34
  4. Step 4: Simplify right side
    18,169.08x = 303,842,088.06
  5. Step 5: Solve for x
    x = 303,842,088.06/18,169.08
  6. Step 6: Final answer
    x = 16,723.03

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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.