Home / 18,698.61-28,050.75-5,549.34

Finding the Fourth Proportional to 18,698.61, 28,050.75 and 5,549.34

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Solution

The fourth proportional to 18,698.61, 28,050.75 and 5,549.34 is: 8,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.61 : 28,050.75 = 5,549.34 : x
  2. Step 2: Convert to fraction form
    18,698.61/28,050.75 = 5,549.34/x
  3. Step 3: Cross multiply
    18,698.61x = 28,050.75 × 5,549.34
  4. Step 4: Simplify right side
    18,698.61x = 155,663,149.01
  5. Step 5: Solve for x
    x = 155,663,149.01/18,698.61
  6. Step 6: Final answer
    x = 8,324.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.