Home / 14,480.16-21,720.26-4,619.48

Finding the Fourth Proportional to 14,480.16, 21,720.26 and 4,619.48

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Solution

The fourth proportional to 14,480.16, 21,720.26 and 4,619.48 is: 6,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.16 : 21,720.26 = 4,619.48 : x
  2. Step 2: Convert to fraction form
    14,480.16/21,720.26 = 4,619.48/x
  3. Step 3: Cross multiply
    14,480.16x = 21,720.26 × 4,619.48
  4. Step 4: Simplify right side
    14,480.16x = 100,336,306.66
  5. Step 5: Solve for x
    x = 100,336,306.66/14,480.16
  6. Step 6: Final answer
    x = 6,929.23

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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.