Home / 20,240.24-30,303.14-10,730.88

Finding the Fourth Proportional to 20,240.24, 30,303.14 and 10,730.88

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Solution

The fourth proportional to 20,240.24, 30,303.14 and 10,730.88 is: 16,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.24 : 30,303.14 = 10,730.88 : x
  2. Step 2: Convert to fraction form
    20,240.24/30,303.14 = 10,730.88/x
  3. Step 3: Cross multiply
    20,240.24x = 30,303.14 × 10,730.88
  4. Step 4: Simplify right side
    20,240.24x = 325,179,305.31
  5. Step 5: Solve for x
    x = 325,179,305.31/20,240.24
  6. Step 6: Final answer
    x = 16,065.98

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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.