Home / 16,767.15-25,150.72-4,287.20

Finding the Fourth Proportional to 16,767.15, 25,150.72 and 4,287.20

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Solution

The fourth proportional to 16,767.15, 25,150.72 and 4,287.20 is: 6,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.15 : 25,150.72 = 4,287.20 : x
  2. Step 2: Convert to fraction form
    16,767.15/25,150.72 = 4,287.20/x
  3. Step 3: Cross multiply
    16,767.15x = 25,150.72 × 4,287.20
  4. Step 4: Simplify right side
    16,767.15x = 107,826,166.78
  5. Step 5: Solve for x
    x = 107,826,166.78/16,767.15
  6. Step 6: Final answer
    x = 6,430.80

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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.