Home / 9,363.99-14,041.30-3,121.86

Finding the Fourth Proportional to 9,363.99, 14,041.30 and 3,121.86

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Solution

The fourth proportional to 9,363.99, 14,041.30 and 3,121.86 is: 4,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.99 : 14,041.30 = 3,121.86 : x
  2. Step 2: Convert to fraction form
    9,363.99/14,041.30 = 3,121.86/x
  3. Step 3: Cross multiply
    9,363.99x = 14,041.30 × 3,121.86
  4. Step 4: Simplify right side
    9,363.99x = 43,834,972.82
  5. Step 5: Solve for x
    x = 43,834,972.82/9,363.99
  6. Step 6: Final answer
    x = 4,681.23

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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.