Home / 18,704.10-25,809.36-10,320.60

Finding the Fourth Proportional to 18,704.10, 25,809.36 and 10,320.60

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Solution

The fourth proportional to 18,704.10, 25,809.36 and 10,320.60 is: 14,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.10 : 25,809.36 = 10,320.60 : x
  2. Step 2: Convert to fraction form
    18,704.10/25,809.36 = 10,320.60/x
  3. Step 3: Cross multiply
    18,704.10x = 25,809.36 × 10,320.60
  4. Step 4: Simplify right side
    18,704.10x = 266,368,080.82
  5. Step 5: Solve for x
    x = 266,368,080.82/18,704.10
  6. Step 6: Final answer
    x = 14,241.16

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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.