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Finding the Fourth Proportional to 17,792.30, 26,669.90 and 6,691.34

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Solution

The fourth proportional to 17,792.30, 26,669.90 and 6,691.34 is: 10,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,792.30 : 26,669.90 = 6,691.34 : x
  2. Step 2: Convert to fraction form
    17,792.30/26,669.90 = 6,691.34/x
  3. Step 3: Cross multiply
    17,792.30x = 26,669.90 × 6,691.34
  4. Step 4: Simplify right side
    17,792.30x = 178,457,368.67
  5. Step 5: Solve for x
    x = 178,457,368.67/17,792.30
  6. Step 6: Final answer
    x = 10,030.03

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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.