Home / 13,730-18,941.04-8,062.94

Finding the Fourth Proportional to 13,730, 18,941.04 and 8,062.94

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Solution

The fourth proportional to 13,730, 18,941.04 and 8,062.94 is: 11,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730 : 18,941.04 = 8,062.94 : x
  2. Step 2: Convert to fraction form
    13,730/18,941.04 = 8,062.94/x
  3. Step 3: Cross multiply
    13,730x = 18,941.04 × 8,062.94
  4. Step 4: Simplify right side
    13,730x = 152,720,469.06
  5. Step 5: Solve for x
    x = 152,720,469.06/13,730
  6. Step 6: Final answer
    x = 11,123.12

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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.