Home / 18,208.02-25,129.47-10,251.80

Finding the Fourth Proportional to 18,208.02, 25,129.47 and 10,251.80

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Solution

The fourth proportional to 18,208.02, 25,129.47 and 10,251.80 is: 14,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.02 : 25,129.47 = 10,251.80 : x
  2. Step 2: Convert to fraction form
    18,208.02/25,129.47 = 10,251.80/x
  3. Step 3: Cross multiply
    18,208.02x = 25,129.47 × 10,251.80
  4. Step 4: Simplify right side
    18,208.02x = 257,622,174.90
  5. Step 5: Solve for x
    x = 257,622,174.90/18,208.02
  6. Step 6: Final answer
    x = 14,148.83

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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.