Home / 20,189.08-30,284.66-6,339.16

Finding the Fourth Proportional to 20,189.08, 30,284.66 and 6,339.16

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Solution

The fourth proportional to 20,189.08, 30,284.66 and 6,339.16 is: 9,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189.08 : 30,284.66 = 6,339.16 : x
  2. Step 2: Convert to fraction form
    20,189.08/30,284.66 = 6,339.16/x
  3. Step 3: Cross multiply
    20,189.08x = 30,284.66 × 6,339.16
  4. Step 4: Simplify right side
    20,189.08x = 191,979,305.29
  5. Step 5: Solve for x
    x = 191,979,305.29/20,189.08
  6. Step 6: Final answer
    x = 9,509.07

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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.