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Finding the Fourth Proportional to 18,314.08, 27,461.88 and 13,046.11

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Solution

The fourth proportional to 18,314.08, 27,461.88 and 13,046.11 is: 19,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.08 : 27,461.88 = 13,046.11 : x
  2. Step 2: Convert to fraction form
    18,314.08/27,461.88 = 13,046.11/x
  3. Step 3: Cross multiply
    18,314.08x = 27,461.88 × 13,046.11
  4. Step 4: Simplify right side
    18,314.08x = 358,270,707.29
  5. Step 5: Solve for x
    x = 358,270,707.29/18,314.08
  6. Step 6: Final answer
    x = 19,562.58

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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.