Home / 14,120.08-21,182.92-4,258.88

Finding the Fourth Proportional to 14,120.08, 21,182.92 and 4,258.88

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Solution

The fourth proportional to 14,120.08, 21,182.92 and 4,258.88 is: 6,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.08 : 21,182.92 = 4,258.88 : x
  2. Step 2: Convert to fraction form
    14,120.08/21,182.92 = 4,258.88/x
  3. Step 3: Cross multiply
    14,120.08x = 21,182.92 × 4,258.88
  4. Step 4: Simplify right side
    14,120.08x = 90,215,514.33
  5. Step 5: Solve for x
    x = 90,215,514.33/14,120.08
  6. Step 6: Final answer
    x = 6,389.16

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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.