Home / 18,358.02-25,144.25-17,280.86

Finding the Fourth Proportional to 18,358.02, 25,144.25 and 17,280.86

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Solution

The fourth proportional to 18,358.02, 25,144.25 and 17,280.86 is: 23,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.02 : 25,144.25 = 17,280.86 : x
  2. Step 2: Convert to fraction form
    18,358.02/25,144.25 = 17,280.86/x
  3. Step 3: Cross multiply
    18,358.02x = 25,144.25 × 17,280.86
  4. Step 4: Simplify right side
    18,358.02x = 434,514,051.93
  5. Step 5: Solve for x
    x = 434,514,051.93/18,358.02
  6. Step 6: Final answer
    x = 23,668.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.