Home / 13,581.57-20,360.16-6,568.32

Finding the Fourth Proportional to 13,581.57, 20,360.16 and 6,568.32

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Solution

The fourth proportional to 13,581.57, 20,360.16 and 6,568.32 is: 9,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581.57 : 20,360.16 = 6,568.32 : x
  2. Step 2: Convert to fraction form
    13,581.57/20,360.16 = 6,568.32/x
  3. Step 3: Cross multiply
    13,581.57x = 20,360.16 × 6,568.32
  4. Step 4: Simplify right side
    13,581.57x = 133,731,950.69
  5. Step 5: Solve for x
    x = 133,731,950.69/13,581.57
  6. Step 6: Final answer
    x = 9,846.57

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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.