Home / 13,268.58-19,903.18-4,381.04

Finding the Fourth Proportional to 13,268.58, 19,903.18 and 4,381.04

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Solution

The fourth proportional to 13,268.58, 19,903.18 and 4,381.04 is: 6,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.58 : 19,903.18 = 4,381.04 : x
  2. Step 2: Convert to fraction form
    13,268.58/19,903.18 = 4,381.04/x
  3. Step 3: Cross multiply
    13,268.58x = 19,903.18 × 4,381.04
  4. Step 4: Simplify right side
    13,268.58x = 87,196,627.71
  5. Step 5: Solve for x
    x = 87,196,627.71/13,268.58
  6. Step 6: Final answer
    x = 6,571.66

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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.