Home / 18,130.86-25,020.56-10,173.83

Finding the Fourth Proportional to 18,130.86, 25,020.56 and 10,173.83

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Solution

The fourth proportional to 18,130.86, 25,020.56 and 10,173.83 is: 14,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.86 : 25,020.56 = 10,173.83 : x
  2. Step 2: Convert to fraction form
    18,130.86/25,020.56 = 10,173.83/x
  3. Step 3: Cross multiply
    18,130.86x = 25,020.56 × 10,173.83
  4. Step 4: Simplify right side
    18,130.86x = 254,554,824.28
  5. Step 5: Solve for x
    x = 254,554,824.28/18,130.86
  6. Step 6: Final answer
    x = 14,039.86

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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.