Home / 16,774.36-25,155.78-6,389.08

Finding the Fourth Proportional to 16,774.36, 25,155.78 and 6,389.08

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Solution

The fourth proportional to 16,774.36, 25,155.78 and 6,389.08 is: 9,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.36 : 25,155.78 = 6,389.08 : x
  2. Step 2: Convert to fraction form
    16,774.36/25,155.78 = 6,389.08/x
  3. Step 3: Cross multiply
    16,774.36x = 25,155.78 × 6,389.08
  4. Step 4: Simplify right side
    16,774.36x = 160,722,290.88
  5. Step 5: Solve for x
    x = 160,722,290.88/16,774.36
  6. Step 6: Final answer
    x = 9,581.43

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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.