Home / 18,208.96-25,128.81-10,251.45

Finding the Fourth Proportional to 18,208.96, 25,128.81 and 10,251.45

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Solution

The fourth proportional to 18,208.96, 25,128.81 and 10,251.45 is: 14,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.96 : 25,128.81 = 10,251.45 : x
  2. Step 2: Convert to fraction form
    18,208.96/25,128.81 = 10,251.45/x
  3. Step 3: Cross multiply
    18,208.96x = 25,128.81 × 10,251.45
  4. Step 4: Simplify right side
    18,208.96x = 257,606,739.27
  5. Step 5: Solve for x
    x = 257,606,739.27/18,208.96
  6. Step 6: Final answer
    x = 14,147.25

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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.