Home / 18,145.16-27,192.38-9,807.20

Finding the Fourth Proportional to 18,145.16, 27,192.38 and 9,807.20

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Solution

The fourth proportional to 18,145.16, 27,192.38 and 9,807.20 is: 14,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.16 : 27,192.38 = 9,807.20 : x
  2. Step 2: Convert to fraction form
    18,145.16/27,192.38 = 9,807.20/x
  3. Step 3: Cross multiply
    18,145.16x = 27,192.38 × 9,807.20
  4. Step 4: Simplify right side
    18,145.16x = 266,681,109.14
  5. Step 5: Solve for x
    x = 266,681,109.14/18,145.16
  6. Step 6: Final answer
    x = 14,697.09

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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.