Home / 13,722.74-20,583.09-4,362.38

Finding the Fourth Proportional to 13,722.74, 20,583.09 and 4,362.38

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Solution

The fourth proportional to 13,722.74, 20,583.09 and 4,362.38 is: 6,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.74 : 20,583.09 = 4,362.38 : x
  2. Step 2: Convert to fraction form
    13,722.74/20,583.09 = 4,362.38/x
  3. Step 3: Cross multiply
    13,722.74x = 20,583.09 × 4,362.38
  4. Step 4: Simplify right side
    13,722.74x = 89,791,280.05
  5. Step 5: Solve for x
    x = 89,791,280.05/13,722.74
  6. Step 6: Final answer
    x = 6,543.25

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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.