Home / 18,186.02-27,279.39-9,415.22

Finding the Fourth Proportional to 18,186.02, 27,279.39 and 9,415.22

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Solution

The fourth proportional to 18,186.02, 27,279.39 and 9,415.22 is: 14,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.02 : 27,279.39 = 9,415.22 : x
  2. Step 2: Convert to fraction form
    18,186.02/27,279.39 = 9,415.22/x
  3. Step 3: Cross multiply
    18,186.02x = 27,279.39 × 9,415.22
  4. Step 4: Simplify right side
    18,186.02x = 256,841,458.32
  5. Step 5: Solve for x
    x = 256,841,458.32/18,186.02
  6. Step 6: Final answer
    x = 14,123.02

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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.