Home / 14,363.10-21,558.87-11,761.47

Finding the Fourth Proportional to 14,363.10, 21,558.87 and 11,761.47

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Solution

The fourth proportional to 14,363.10, 21,558.87 and 11,761.47 is: 17,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.10 : 21,558.87 = 11,761.47 : x
  2. Step 2: Convert to fraction form
    14,363.10/21,558.87 = 11,761.47/x
  3. Step 3: Cross multiply
    14,363.10x = 21,558.87 × 11,761.47
  4. Step 4: Simplify right side
    14,363.10x = 253,564,002.74
  5. Step 5: Solve for x
    x = 253,564,002.74/14,363.10
  6. Step 6: Final answer
    x = 17,653.85

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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.