Home / 18,129.02-27,203.09-9,807.48

Finding the Fourth Proportional to 18,129.02, 27,203.09 and 9,807.48

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Solution

The fourth proportional to 18,129.02, 27,203.09 and 9,807.48 is: 14,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.02 : 27,203.09 = 9,807.48 : x
  2. Step 2: Convert to fraction form
    18,129.02/27,203.09 = 9,807.48/x
  3. Step 3: Cross multiply
    18,129.02x = 27,203.09 × 9,807.48
  4. Step 4: Simplify right side
    18,129.02x = 266,793,767.24
  5. Step 5: Solve for x
    x = 266,793,767.24/18,129.02
  6. Step 6: Final answer
    x = 14,716.40

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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.