Home / 14,336.79-21,505.86-7,670.54

Finding the Fourth Proportional to 14,336.79, 21,505.86 and 7,670.54

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Solution

The fourth proportional to 14,336.79, 21,505.86 and 7,670.54 is: 11,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.79 : 21,505.86 = 7,670.54 : x
  2. Step 2: Convert to fraction form
    14,336.79/21,505.86 = 7,670.54/x
  3. Step 3: Cross multiply
    14,336.79x = 21,505.86 × 7,670.54
  4. Step 4: Simplify right side
    14,336.79x = 164,961,559.36
  5. Step 5: Solve for x
    x = 164,961,559.36/14,336.79
  6. Step 6: Final answer
    x = 11,506.17

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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.