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Finding the Fourth Proportional to 14,041.54, 21,034.06 and 6,653.13

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Solution

The fourth proportional to 14,041.54, 21,034.06 and 6,653.13 is: 9,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.54 : 21,034.06 = 6,653.13 : x
  2. Step 2: Convert to fraction form
    14,041.54/21,034.06 = 6,653.13/x
  3. Step 3: Cross multiply
    14,041.54x = 21,034.06 × 6,653.13
  4. Step 4: Simplify right side
    14,041.54x = 139,942,299.66
  5. Step 5: Solve for x
    x = 139,942,299.66/14,041.54
  6. Step 6: Final answer
    x = 9,966.31

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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.