Home / 18,144.56-25,036.32-10,187.12

Finding the Fourth Proportional to 18,144.56, 25,036.32 and 10,187.12

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Solution

The fourth proportional to 18,144.56, 25,036.32 and 10,187.12 is: 14,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.56 : 25,036.32 = 10,187.12 : x
  2. Step 2: Convert to fraction form
    18,144.56/25,036.32 = 10,187.12/x
  3. Step 3: Cross multiply
    18,144.56x = 25,036.32 × 10,187.12
  4. Step 4: Simplify right side
    18,144.56x = 255,047,996.20
  5. Step 5: Solve for x
    x = 255,047,996.20/18,144.56
  6. Step 6: Final answer
    x = 14,056.44

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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.