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Finding the Fourth Proportional to 13,044, 17,998.20 and 7,736.88

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Solution

The fourth proportional to 13,044, 17,998.20 and 7,736.88 is: 10,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044 : 17,998.20 = 7,736.88 : x
  2. Step 2: Convert to fraction form
    13,044/17,998.20 = 7,736.88/x
  3. Step 3: Cross multiply
    13,044x = 17,998.20 × 7,736.88
  4. Step 4: Simplify right side
    13,044x = 139,249,913.62
  5. Step 5: Solve for x
    x = 139,249,913.62/13,044
  6. Step 6: Final answer
    x = 10,675.40

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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.