Home / 13,750.75-20,626.40-4,516.75

Finding the Fourth Proportional to 13,750.75, 20,626.40 and 4,516.75

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Solution

The fourth proportional to 13,750.75, 20,626.40 and 4,516.75 is: 6,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.75 : 20,626.40 = 4,516.75 : x
  2. Step 2: Convert to fraction form
    13,750.75/20,626.40 = 4,516.75/x
  3. Step 3: Cross multiply
    13,750.75x = 20,626.40 × 4,516.75
  4. Step 4: Simplify right side
    13,750.75x = 93,164,292.20
  5. Step 5: Solve for x
    x = 93,164,292.20/13,750.75
  6. Step 6: Final answer
    x = 6,775.22

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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.