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Finding the Fourth Proportional to 18,261, 27,406.08 and 9,498.60

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Solution

The fourth proportional to 18,261, 27,406.08 and 9,498.60 is: 14,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261 : 27,406.08 = 9,498.60 : x
  2. Step 2: Convert to fraction form
    18,261/27,406.08 = 9,498.60/x
  3. Step 3: Cross multiply
    18,261x = 27,406.08 × 9,498.60
  4. Step 4: Simplify right side
    18,261x = 260,319,391.49
  5. Step 5: Solve for x
    x = 260,319,391.49/18,261
  6. Step 6: Final answer
    x = 14,255.48

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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.