Home / 19,489.04-26,894.64-11,105.48

Finding the Fourth Proportional to 19,489.04, 26,894.64 and 11,105.48

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Solution

The fourth proportional to 19,489.04, 26,894.64 and 11,105.48 is: 15,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.04 : 26,894.64 = 11,105.48 : x
  2. Step 2: Convert to fraction form
    19,489.04/26,894.64 = 11,105.48/x
  3. Step 3: Cross multiply
    19,489.04x = 26,894.64 × 11,105.48
  4. Step 4: Simplify right side
    19,489.04x = 298,677,886.63
  5. Step 5: Solve for x
    x = 298,677,886.63/19,489.04
  6. Step 6: Final answer
    x = 15,325.43

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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.