Home / 18,157.37-24,999.23-15,494.09

Finding the Fourth Proportional to 18,157.37, 24,999.23 and 15,494.09

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Solution

The fourth proportional to 18,157.37, 24,999.23 and 15,494.09 is: 21,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.37 : 24,999.23 = 15,494.09 : x
  2. Step 2: Convert to fraction form
    18,157.37/24,999.23 = 15,494.09/x
  3. Step 3: Cross multiply
    18,157.37x = 24,999.23 × 15,494.09
  4. Step 4: Simplify right side
    18,157.37x = 387,340,233.29
  5. Step 5: Solve for x
    x = 387,340,233.29/18,157.37
  6. Step 6: Final answer
    x = 21,332.40

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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.