Home / 20,357.60-30,535.32-6,505.52

Finding the Fourth Proportional to 20,357.60, 30,535.32 and 6,505.52

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Solution

The fourth proportional to 20,357.60, 30,535.32 and 6,505.52 is: 9,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357.60 : 30,535.32 = 6,505.52 : x
  2. Step 2: Convert to fraction form
    20,357.60/30,535.32 = 6,505.52/x
  3. Step 3: Cross multiply
    20,357.60x = 30,535.32 × 6,505.52
  4. Step 4: Simplify right side
    20,357.60x = 198,648,134.97
  5. Step 5: Solve for x
    x = 198,648,134.97/20,357.60
  6. Step 6: Final answer
    x = 9,757.93

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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.