Home / 18,208.12-25,123.62-10,250.68

Finding the Fourth Proportional to 18,208.12, 25,123.62 and 10,250.68

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Solution

The fourth proportional to 18,208.12, 25,123.62 and 10,250.68 is: 14,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.12 : 25,123.62 = 10,250.68 : x
  2. Step 2: Convert to fraction form
    18,208.12/25,123.62 = 10,250.68/x
  3. Step 3: Cross multiply
    18,208.12x = 25,123.62 × 10,250.68
  4. Step 4: Simplify right side
    18,208.12x = 257,534,189.06
  5. Step 5: Solve for x
    x = 257,534,189.06/18,208.12
  6. Step 6: Final answer
    x = 14,143.92

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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.