Home / 20,320.09-30,468.96-6,276.24

Finding the Fourth Proportional to 20,320.09, 30,468.96 and 6,276.24

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Solution

The fourth proportional to 20,320.09, 30,468.96 and 6,276.24 is: 9,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,320.09 : 30,468.96 = 6,276.24 : x
  2. Step 2: Convert to fraction form
    20,320.09/30,468.96 = 6,276.24/x
  3. Step 3: Cross multiply
    20,320.09x = 30,468.96 × 6,276.24
  4. Step 4: Simplify right side
    20,320.09x = 191,230,505.51
  5. Step 5: Solve for x
    x = 191,230,505.51/20,320.09
  6. Step 6: Final answer
    x = 9,410.91

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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.