Home / 13,343.01-20,003.71-5,557.65

Finding the Fourth Proportional to 13,343.01, 20,003.71 and 5,557.65

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Solution

The fourth proportional to 13,343.01, 20,003.71 and 5,557.65 is: 8,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.01 : 20,003.71 = 5,557.65 : x
  2. Step 2: Convert to fraction form
    13,343.01/20,003.71 = 5,557.65/x
  3. Step 3: Cross multiply
    13,343.01x = 20,003.71 × 5,557.65
  4. Step 4: Simplify right side
    13,343.01x = 111,173,618.88
  5. Step 5: Solve for x
    x = 111,173,618.88/13,343.01
  6. Step 6: Final answer
    x = 8,331.97

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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.