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Finding the Fourth Proportional to 44,258, 66,387.12 and 11,426

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Solution

The fourth proportional to 44,258, 66,387.12 and 11,426 is: 17,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,258 : 66,387.12 = 11,426 : x
  2. Step 2: Convert to fraction form
    44,258/66,387.12 = 11,426/x
  3. Step 3: Cross multiply
    44,258x = 66,387.12 × 11,426
  4. Step 4: Simplify right side
    44,258x = 758,539,233.12
  5. Step 5: Solve for x
    x = 758,539,233.12/44,258
  6. Step 6: Final answer
    x = 17,139.03

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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.