Home / 13,703.11-20,557.17-4,345.48

Finding the Fourth Proportional to 13,703.11, 20,557.17 and 4,345.48

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Solution

The fourth proportional to 13,703.11, 20,557.17 and 4,345.48 is: 6,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.11 : 20,557.17 = 4,345.48 : x
  2. Step 2: Convert to fraction form
    13,703.11/20,557.17 = 4,345.48/x
  3. Step 3: Cross multiply
    13,703.11x = 20,557.17 × 4,345.48
  4. Step 4: Simplify right side
    13,703.11x = 89,330,771.09
  5. Step 5: Solve for x
    x = 89,330,771.09/13,703.11
  6. Step 6: Final answer
    x = 6,519.01

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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.