Home / 13,750.88-20,626.07-4,390.83

Finding the Fourth Proportional to 13,750.88, 20,626.07 and 4,390.83

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Solution

The fourth proportional to 13,750.88, 20,626.07 and 4,390.83 is: 6,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.88 : 20,626.07 = 4,390.83 : x
  2. Step 2: Convert to fraction form
    13,750.88/20,626.07 = 4,390.83/x
  3. Step 3: Cross multiply
    13,750.88x = 20,626.07 × 4,390.83
  4. Step 4: Simplify right side
    13,750.88x = 90,565,544.98
  5. Step 5: Solve for x
    x = 90,565,544.98/13,750.88
  6. Step 6: Final answer
    x = 6,586.17

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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.