Home / 18,405.35-27,613.57-6,557.58

Finding the Fourth Proportional to 18,405.35, 27,613.57 and 6,557.58

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Solution

The fourth proportional to 18,405.35, 27,613.57 and 6,557.58 is: 9,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,405.35 : 27,613.57 = 6,557.58 : x
  2. Step 2: Convert to fraction form
    18,405.35/27,613.57 = 6,557.58/x
  3. Step 3: Cross multiply
    18,405.35x = 27,613.57 × 6,557.58
  4. Step 4: Simplify right side
    18,405.35x = 181,078,194.36
  5. Step 5: Solve for x
    x = 181,078,194.36/18,405.35
  6. Step 6: Final answer
    x = 9,838.35

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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.