Home / 18,756.12-25,917.72-17,845.20

Finding the Fourth Proportional to 18,756.12, 25,917.72 and 17,845.20

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Solution

The fourth proportional to 18,756.12, 25,917.72 and 17,845.20 is: 24,658.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.12 : 25,917.72 = 17,845.20 : x
  2. Step 2: Convert to fraction form
    18,756.12/25,917.72 = 17,845.20/x
  3. Step 3: Cross multiply
    18,756.12x = 25,917.72 × 17,845.20
  4. Step 4: Simplify right side
    18,756.12x = 462,506,896.94
  5. Step 5: Solve for x
    x = 462,506,896.94/18,756.12
  6. Step 6: Final answer
    x = 24,658.99

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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.