Home / 12,334.48-18,505.80-4,937.20

Finding the Fourth Proportional to 12,334.48, 18,505.80 and 4,937.20

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Solution

The fourth proportional to 12,334.48, 18,505.80 and 4,937.20 is: 7,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.48 : 18,505.80 = 4,937.20 : x
  2. Step 2: Convert to fraction form
    12,334.48/18,505.80 = 4,937.20/x
  3. Step 3: Cross multiply
    12,334.48x = 18,505.80 × 4,937.20
  4. Step 4: Simplify right side
    12,334.48x = 91,366,835.76
  5. Step 5: Solve for x
    x = 91,366,835.76/12,334.48
  6. Step 6: Final answer
    x = 7,407.43

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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.