Home / 13,484.52-20,235.77-4,719.43

Finding the Fourth Proportional to 13,484.52, 20,235.77 and 4,719.43

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Solution

The fourth proportional to 13,484.52, 20,235.77 and 4,719.43 is: 7,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.52 : 20,235.77 = 4,719.43 : x
  2. Step 2: Convert to fraction form
    13,484.52/20,235.77 = 4,719.43/x
  3. Step 3: Cross multiply
    13,484.52x = 20,235.77 × 4,719.43
  4. Step 4: Simplify right side
    13,484.52x = 95,501,261.22
  5. Step 5: Solve for x
    x = 95,501,261.22/13,484.52
  6. Step 6: Final answer
    x = 7,082.29

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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.