Home / 21,535.80-32,303.68-6,745.87

Finding the Fourth Proportional to 21,535.80, 32,303.68 and 6,745.87

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Solution

The fourth proportional to 21,535.80, 32,303.68 and 6,745.87 is: 10,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.80 : 32,303.68 = 6,745.87 : x
  2. Step 2: Convert to fraction form
    21,535.80/32,303.68 = 6,745.87/x
  3. Step 3: Cross multiply
    21,535.80x = 32,303.68 × 6,745.87
  4. Step 4: Simplify right side
    21,535.80x = 217,916,418.12
  5. Step 5: Solve for x
    x = 217,916,418.12/21,535.80
  6. Step 6: Final answer
    x = 10,118.80

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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.