Home / 18,036.24-27,064.08-13,652.64

Finding the Fourth Proportional to 18,036.24, 27,064.08 and 13,652.64

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Solution

The fourth proportional to 18,036.24, 27,064.08 and 13,652.64 is: 20,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.24 : 27,064.08 = 13,652.64 : x
  2. Step 2: Convert to fraction form
    18,036.24/27,064.08 = 13,652.64/x
  3. Step 3: Cross multiply
    18,036.24x = 27,064.08 × 13,652.64
  4. Step 4: Simplify right side
    18,036.24x = 369,496,141.17
  5. Step 5: Solve for x
    x = 369,496,141.17/18,036.24
  6. Step 6: Final answer
    x = 20,486.32

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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.