Home / 20,535.48-30,807.01-6,499.04

Finding the Fourth Proportional to 20,535.48, 30,807.01 and 6,499.04

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Solution

The fourth proportional to 20,535.48, 30,807.01 and 6,499.04 is: 9,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.48 : 30,807.01 = 6,499.04 : x
  2. Step 2: Convert to fraction form
    20,535.48/30,807.01 = 6,499.04/x
  3. Step 3: Cross multiply
    20,535.48x = 30,807.01 × 6,499.04
  4. Step 4: Simplify right side
    20,535.48x = 200,215,836.24
  5. Step 5: Solve for x
    x = 200,215,836.24/20,535.48
  6. Step 6: Final answer
    x = 9,749.75

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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.