Home / 20,326.24-30,490.38-6,476.32

Finding the Fourth Proportional to 20,326.24, 30,490.38 and 6,476.32

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Solution

The fourth proportional to 20,326.24, 30,490.38 and 6,476.32 is: 9,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.24 : 30,490.38 = 6,476.32 : x
  2. Step 2: Convert to fraction form
    20,326.24/30,490.38 = 6,476.32/x
  3. Step 3: Cross multiply
    20,326.24x = 30,490.38 × 6,476.32
  4. Step 4: Simplify right side
    20,326.24x = 197,465,457.80
  5. Step 5: Solve for x
    x = 197,465,457.80/20,326.24
  6. Step 6: Final answer
    x = 9,714.80

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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.