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Finding the Fourth Proportional to 18,345.71, 27,506.41 and 6,659.03

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Solution

The fourth proportional to 18,345.71, 27,506.41 and 6,659.03 is: 9,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.71 : 27,506.41 = 6,659.03 : x
  2. Step 2: Convert to fraction form
    18,345.71/27,506.41 = 6,659.03/x
  3. Step 3: Cross multiply
    18,345.71x = 27,506.41 × 6,659.03
  4. Step 4: Simplify right side
    18,345.71x = 183,166,009.38
  5. Step 5: Solve for x
    x = 183,166,009.38/18,345.71
  6. Step 6: Final answer
    x = 9,984.13

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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.