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Finding the Fourth Proportional to 19,551.54, 26,981.16 and 10,598.96

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Solution

The fourth proportional to 19,551.54, 26,981.16 and 10,598.96 is: 14,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.54 : 26,981.16 = 10,598.96 : x
  2. Step 2: Convert to fraction form
    19,551.54/26,981.16 = 10,598.96/x
  3. Step 3: Cross multiply
    19,551.54x = 26,981.16 × 10,598.96
  4. Step 4: Simplify right side
    19,551.54x = 285,972,235.59
  5. Step 5: Solve for x
    x = 285,972,235.59/19,551.54
  6. Step 6: Final answer
    x = 14,626.58

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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.