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Finding the Fourth Proportional to 17,792.83, 26,697.54 and 7,931.08

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Solution

The fourth proportional to 17,792.83, 26,697.54 and 7,931.08 is: 11,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,792.83 : 26,697.54 = 7,931.08 : x
  2. Step 2: Convert to fraction form
    17,792.83/26,697.54 = 7,931.08/x
  3. Step 3: Cross multiply
    17,792.83x = 26,697.54 × 7,931.08
  4. Step 4: Simplify right side
    17,792.83x = 211,740,192.06
  5. Step 5: Solve for x
    x = 211,740,192.06/17,792.83
  6. Step 6: Final answer
    x = 11,900.31

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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.