Home / 14,274.70-19,701.15-8,309.66

Finding the Fourth Proportional to 14,274.70, 19,701.15 and 8,309.66

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Solution

The fourth proportional to 14,274.70, 19,701.15 and 8,309.66 is: 11,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.70 : 19,701.15 = 8,309.66 : x
  2. Step 2: Convert to fraction form
    14,274.70/19,701.15 = 8,309.66/x
  3. Step 3: Cross multiply
    14,274.70x = 19,701.15 × 8,309.66
  4. Step 4: Simplify right side
    14,274.70x = 163,709,858.11
  5. Step 5: Solve for x
    x = 163,709,858.11/14,274.70
  6. Step 6: Final answer
    x = 11,468.53

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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.