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Finding the Fourth Proportional to 18,574.30, 27,841.86 and 6,091.06

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Solution

The fourth proportional to 18,574.30, 27,841.86 and 6,091.06 is: 9,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.30 : 27,841.86 = 6,091.06 : x
  2. Step 2: Convert to fraction form
    18,574.30/27,841.86 = 6,091.06/x
  3. Step 3: Cross multiply
    18,574.30x = 27,841.86 × 6,091.06
  4. Step 4: Simplify right side
    18,574.30x = 169,586,439.77
  5. Step 5: Solve for x
    x = 169,586,439.77/18,574.30
  6. Step 6: Final answer
    x = 9,130.17

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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.