Home / 13,057.92-19,582.74-4,290.80

Finding the Fourth Proportional to 13,057.92, 19,582.74 and 4,290.80

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Solution

The fourth proportional to 13,057.92, 19,582.74 and 4,290.80 is: 6,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.92 : 19,582.74 = 4,290.80 : x
  2. Step 2: Convert to fraction form
    13,057.92/19,582.74 = 4,290.80/x
  3. Step 3: Cross multiply
    13,057.92x = 19,582.74 × 4,290.80
  4. Step 4: Simplify right side
    13,057.92x = 84,025,620.79
  5. Step 5: Solve for x
    x = 84,025,620.79/13,057.92
  6. Step 6: Final answer
    x = 6,434.84

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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.