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Finding the Fourth Proportional to 14,359.66, 21,539.49 and 6,563

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Solution

The fourth proportional to 14,359.66, 21,539.49 and 6,563 is: 9,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.66 : 21,539.49 = 6,563 : x
  2. Step 2: Convert to fraction form
    14,359.66/21,539.49 = 6,563/x
  3. Step 3: Cross multiply
    14,359.66x = 21,539.49 × 6,563
  4. Step 4: Simplify right side
    14,359.66x = 141,363,672.87
  5. Step 5: Solve for x
    x = 141,363,672.87/14,359.66
  6. Step 6: Final answer
    x = 9,844.50

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1.5x scale

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.