Home / 14,308.48-21,439.32-13,761.74

Finding the Fourth Proportional to 14,308.48, 21,439.32 and 13,761.74

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Solution

The fourth proportional to 14,308.48, 21,439.32 and 13,761.74 is: 20,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.48 : 21,439.32 = 13,761.74 : x
  2. Step 2: Convert to fraction form
    14,308.48/21,439.32 = 13,761.74/x
  3. Step 3: Cross multiply
    14,308.48x = 21,439.32 × 13,761.74
  4. Step 4: Simplify right side
    14,308.48x = 295,042,347.62
  5. Step 5: Solve for x
    x = 295,042,347.62/14,308.48
  6. Step 6: Final answer
    x = 20,620.10

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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.