Home / 14,425.49-19,905.21-8,761.43

Finding the Fourth Proportional to 14,425.49, 19,905.21 and 8,761.43

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Solution

The fourth proportional to 14,425.49, 19,905.21 and 8,761.43 is: 12,089.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.49 : 19,905.21 = 8,761.43 : x
  2. Step 2: Convert to fraction form
    14,425.49/19,905.21 = 8,761.43/x
  3. Step 3: Cross multiply
    14,425.49x = 19,905.21 × 8,761.43
  4. Step 4: Simplify right side
    14,425.49x = 174,398,153.81
  5. Step 5: Solve for x
    x = 174,398,153.81/14,425.49
  6. Step 6: Final answer
    x = 12,089.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.