Home / 18,210.24-25,128.50-10,253.75

Finding the Fourth Proportional to 18,210.24, 25,128.50 and 10,253.75

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Solution

The fourth proportional to 18,210.24, 25,128.50 and 10,253.75 is: 14,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.24 : 25,128.50 = 10,253.75 : x
  2. Step 2: Convert to fraction form
    18,210.24/25,128.50 = 10,253.75/x
  3. Step 3: Cross multiply
    18,210.24x = 25,128.50 × 10,253.75
  4. Step 4: Simplify right side
    18,210.24x = 257,661,179.96
  5. Step 5: Solve for x
    x = 257,661,179.96/18,210.24
  6. Step 6: Final answer
    x = 14,149.25

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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.