Home / 10,953.11-16,430.25-3,557.03

Finding the Fourth Proportional to 10,953.11, 16,430.25 and 3,557.03

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Solution

The fourth proportional to 10,953.11, 16,430.25 and 3,557.03 is: 5,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.11 : 16,430.25 = 3,557.03 : x
  2. Step 2: Convert to fraction form
    10,953.11/16,430.25 = 3,557.03/x
  3. Step 3: Cross multiply
    10,953.11x = 16,430.25 × 3,557.03
  4. Step 4: Simplify right side
    10,953.11x = 58,442,823.35
  5. Step 5: Solve for x
    x = 58,442,823.35/10,953.11
  6. Step 6: Final answer
    x = 5,335.73

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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.