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Finding the Fourth Proportional to 17,969.68, 26,966.82 and 6,282.91

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Solution

The fourth proportional to 17,969.68, 26,966.82 and 6,282.91 is: 9,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,969.68 : 26,966.82 = 6,282.91 : x
  2. Step 2: Convert to fraction form
    17,969.68/26,966.82 = 6,282.91/x
  3. Step 3: Cross multiply
    17,969.68x = 26,966.82 × 6,282.91
  4. Step 4: Simplify right side
    17,969.68x = 169,430,103.05
  5. Step 5: Solve for x
    x = 169,430,103.05/17,969.68
  6. Step 6: Final answer
    x = 9,428.67

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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.