Home / 20,595.72-30,899.40-5,804.79

Finding the Fourth Proportional to 20,595.72, 30,899.40 and 5,804.79

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Solution

The fourth proportional to 20,595.72, 30,899.40 and 5,804.79 is: 8,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.72 : 30,899.40 = 5,804.79 : x
  2. Step 2: Convert to fraction form
    20,595.72/30,899.40 = 5,804.79/x
  3. Step 3: Cross multiply
    20,595.72x = 30,899.40 × 5,804.79
  4. Step 4: Simplify right side
    20,595.72x = 179,364,528.13
  5. Step 5: Solve for x
    x = 179,364,528.13/20,595.72
  6. Step 6: Final answer
    x = 8,708.83

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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.