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Finding the Fourth Proportional to 18,043.44, 27,068.52 and 6,364.08

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Solution

The fourth proportional to 18,043.44, 27,068.52 and 6,364.08 is: 9,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.44 : 27,068.52 = 6,364.08 : x
  2. Step 2: Convert to fraction form
    18,043.44/27,068.52 = 6,364.08/x
  3. Step 3: Cross multiply
    18,043.44x = 27,068.52 × 6,364.08
  4. Step 4: Simplify right side
    18,043.44x = 172,266,226.76
  5. Step 5: Solve for x
    x = 172,266,226.76/18,043.44
  6. Step 6: Final answer
    x = 9,547.31

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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.